← All shelves
Every teardown
The whole library — filter by size, sort by revenue. Every business we have taken apart.
563 teardownsEvery teardownFortressesEasy to copy. Won anyway.Built on rented landNumbers straight from a filingDoesn't scale. On purpose.Still here after 15 yearsOne-time money
Mercari
Marketplace
Japan's used-goods app. 23M users. It takes 10%.
¥192,633M
Filed · $1.2B · FY2025 revenue, filed
GMV growth has stalled in a maturing Japan.
★ The edge: Holds no inventory. 23M users list and buy; Mercari keeps 10% per sale, then adds payments and ads on top.
Open →
Vinted
Marketplace
Europe's clothes resale. Buyers pay, sellers don't.
€1.1B
Stated · $1.2B · 2025 revenue, +38% YoY
Most revenue is one fee buyers love to hate.
★ The edge: Taxes buyers, not sellers. Free listing grows supply, supply grows demand — liquidity fee-charging rivals can't match.
Open →
China Literature
Community
Readers pay by the chapter. Tencent films the hits.
$1.13B
Stated · FY24 group revenue (0772)
Free, ad-funded rivals erode the paywall.
★ The edge: It pioneered pay-per-chapter reading in 2003, then kept the rights and became China's biggest web-fiction IP owner.
Open →
Avalara
SaaS
Sales tax on autopilot for 13,000+ US jurisdictions.
$1B+
Stated · 2023, founder-stated
Stripe Tax bundles the core calc cheaply.
★ The edge: IPO'd days before the 2018 Wayfair ruling forced millions of online sellers into multi-state sales-tax filing.
Open →
Zerodha
Marketplace
India's biggest stock broker, built on zero ad spend
$1B
Stated · FY24 rev, 55%+ margin
Most revenue is retail F&O; SEBI now curbs it.
★ The edge: A flat fee per order plus free equity delivery undercut percentage brokers; options volume at scale yields 55% margins.
Open →
Workiva
SaaS
A mandate forced XBRL filings. They owned the tool.
$884.6M
Filed · FY2025 revenue · public
⚠ Scale: heavy sales
GAAP-loss years
GAAP-loss years
★ The edge: The SEC didn't allow XBRL filings — it required them, making every public company a forced buyer.
Open →
Vertex
SaaS
Every US sales-tax rate, current since 1978.
$748.4M
Stated · FY2025 revenue, +12% YoY
Growth slowing; SMB edge lost to Avalara.
★ The edge: Tax rates change constantly across 195+ countries; Vertex has kept a 1B+ rule database current since 1978.
Open →
Xometry
Marketplace
Upload a part, get a price in seconds. It takes a cut.
$686.6M
Filed · FY2025 revenue (XMTR)
Thin 34.7% cut; still a net loss.
★ The edge: AI trained on millions of orders prices any custom part in seconds; rivals still quote by email.
Open →
SafeSend
SaaS
They ignored the tax return. They sold the last mile.
$600M
Filed · all-cash exit price, 2025
Sits downstream of engines it doesn't own.
★ The edge: Eight years selling paperless tools inside tax firms told them exactly which 30 minutes to automate in 2016.
Open →
Follow Up Boss
SaaS
The CRM every real-estate team runs their leads through.
$400M+
Stated · Zillow buyout, 2023
Owned by Zillow now — is it still neutral?
★ The edge: The neutral hub: it ingests leads from Zillow and its rivals alike, so every team needs it.
Open →
Poshmark
Marketplace
She sells her closet; Poshmark keeps 20% of every sale.
$326M
Filed · FY2021 net revenue
Never profitable; heavy marketing spend.
★ The edge: Feeds, follows and Posh Parties turn one-time resale into a social habit; buyer retention topped 104%.
Open →
Idealista
Marketplace
Spain's #1 property portal. Agents pay, buyers browse.
€300M+
Stated · $325M · 2024 revenue, +16% YoY
Liquidity is local; each market restarts.
★ The edge: It out-executed same-era rival Fotocasa on listing quality and trust — now valued about 20x higher.
Open →
HealthStream
SaaS
Rules force the training. It bills for it every year.
$304.1M
Filed · FY2025 revenue (10-K)
Growth is slow: about 4% a year.
★ The edge: Accreditors, OSHA and CMS require the training; HealthStream is where US hospitals buy and log it.
Open →
Sansan
Data
Japan runs on business cards. Sansan digitized them.
$280M
Stated · ARR, May 2025 (¥41.5B)
The card ritual fades as work goes remote.
★ The edge: Rivals trust OCR; Sansan runs every card through human operators too — 99.9% accuracy is the data moat.
Open →
Envato
Marketplace
The bootstrapped stock-asset market that paid out $1.3B
$245M
Stated · 2024 sale price, announced
Its subscription now cannibalizes its authors
★ The edge: Launched the marketplace, then built Tuts+ — the web's biggest design-tutorial network — to feed it buyers.
Open →
Weave
SaaS
The dentist's office phone, now a public NYSE SaaS.
$239M
Filed · FY2025 net revenue
Never profitable; retention under 100%.
★ The edge: The most boring wedge won: replace the dentist's phone, tie each call to the patient chart, impossible to rip out.
Open →
Timee
Marketplace
Spot shifts, no resume, no interview, paid same day.
$230M
Stated · FY2025 revenue (up 28% YoY)
Clients can hire workers direct, fee-free.
★ The edge: Every shift is a direct hire, not temp dispatch — no staffing license, no interview, worker paid same day.
Open →
Toptal
Marketplace
The top 3% of freelance talent, sold at a premium.
$200M+/yr
Estimate · Revenue, self-reported '21
Big markup underpays talent; they can defect.
★ The edge: Instead of maximizing supply like Upwork, Toptal rejects 97% of applicants and sells scarcity at a premium.
Open →
Auction Technology Group
Marketplace
$3.3bn of goods sold. ATG keeps $190m.
$190.2m
Filed · FY25 revenue, audited
GMV tracks cyclical art and surplus spend.
★ The edge: Owns the bidding rails thousands of auction houses depend on, and the bidder demand they can't aggregate alone.
Open →
Weedmaps
Marketplace
The ad platform for an industry Google won't touch.
$184.5M
Filed · FY2024 revenue (10-K)
Revenue has fallen two years straight.
★ The edge: Cannabis sellers are banned from Google, Meta and Yelp ads, so Weedmaps became the one place buyers and sellers meet.
Open →
IndiaMART
Marketplace
India's B2B directory where only sellers pay
$165M
Stated · FY25 rev · listed (BSE)
Paying base flat; growth from price hikes.
★ The edge: Only sellers pay: 217K of 7M+ suppliers fund the whole marketplace while 200M+ buyers browse free.
Open →
Whop
Marketplace
The marketplace for Gen Z's digital hustles
$142M
Stated · ARR; GTV over $2B
Much GMV is faddish get-rich-quick creators
★ The edge: Plugged into Discord groups already selling access by hand — became the paid checkout, so demand pre-existed.
Open →
BASE
Marketplace
Free to open a shop. BASE takes a cut when you sell.
¥20.7B
Filed · $138M · FY25 net sales (TSE)
Tiny sellers churn; GMV per shop stays low.
★ The edge: Free to start pulled in millions of tiny sellers Rakuten priced out; BASE earns a cut of every sale.
Open →
Hemnet
Marketplace
Sweden's default home portal. Sellers foot the bill.
SEK 1,394.6M
Filed · 2024 net sales · +39% YoY
One country, one housing cycle.
★ The edge: Brokers built it in 1998 and fed it every listing. Private equity later bought control and made the sellers pay.
Open →
Dedao (iGet)
Community
China's paid-knowledge app of curated expert courses.
$130M
Stated · 2021 revenue · prospectus
Its moat is a celebrity, not a network.
★ The edge: Sells curation, not content: expert books condensed into audio courses for busy, status-anxious professionals.
Open →
Catawiki
Marketplace
Curated auctions where experts vet every lot
€105M
Stated · 2024 revenue (about $114M)
Experts scale linearly; margins stay thin.
★ The edge: Paid experts vet every lot, so buyers trust it enough to pay a 21.5% combined take in a market full of fakes.
Open →
Chrono24
Marketplace
Global marketplace for pre-owned luxury watches.
€103.2M
Stated · FY2021 group accounts
Dealers could bypass; GMV swings with prices.
★ The edge: Free built-in escrow lets strangers wire $50K for a used watch across 150 countries without fear of fakes.
Open →
Usercentrics
SaaS
The cookie banner became a $117M business.
€100M
Stated · ARR, about $117M, 2025
Its tailwind and its risk are both Google.
★ The edge: GDPR forces a consent banner on every EU site; Google now requires a certified one. Usercentrics is certified.
Open →
StartEngine
Marketplace
Crowdfunding marketplace. Crowdfunding is 12% of revenue.
$109.6M
Filed · FY2025 revenue (10-K)
79% of revenue sits in one product line.
★ The edge: Eleven years of startup raises built a 1.79M-investor list. Selling that list pre-IPO stakes now pays 79% of revenue.
Open →
Bengo4.com
Community
A lawyer's Q&A site now sells Japan's top e-signature.
¥16.3B
Filed · about $109M · FY3/2026 net sales (filed)
One country, one law. It travels nowhere.
★ The edge: Motoe is a lawyer. CloudSign was the first witness-type e-signature Japan's Ministry of Justice recognized.
Open →
Aha!
SaaS
Roadmap software. No VC, no sales team, $100M+ ARR.
$100M+
Stated · ARR (2022, stated)
No sales team caps enterprise expansion.
★ The edge: Bootstrapped to $100M+ ARR: owns product-management content, so inbound sells it — no salespeople, no office, no VC.
Open →
Chess.com
Community
A $55K domain became a $100M+ chess business, no VC.
$100M+
Estimate · annual revenue (2024)
Demand swings with chess-culture fads.
★ The edge: The generic domain chess.com is where new players land by default. Rivals buy the attention it gets free.
Open →
Huntress
SaaS
Ex-NSA hackers who only sell through the MSP.
$100M ARR
Stated · company timeline, 2024
MSPs own the client, not Huntress.
★ The edge: Every MSP that resells it becomes a salesperson Huntress never hired, and brings its whole client book at once.
Open →
Jane App
SaaS
The operating system for allied-health clinics
$100M ARR
Stated · founder-stated, 2024
Crowded lane: SimplePractice, Cliniko, more
★ The edge: The founder was a clinic owner — Jane fit real allied-health workflows generic rivals only guessed at.
Open →
Qualia
SaaS
They lived in a title agent's basement to learn the job.
$100M+ ARR
Stated · self-reported on podcast
Volume falls when mortgage rates rise.
★ The edge: The shared closing room lenders, agents and title firms all log into - leaving means moving the whole deal.
Open →
SafetyCulture
SaaS
Turned the mandatory safety audit into an app.
$100M+
Stated · annual revenue, 2021
Low moat vs generic form/checklist apps
★ The edge: Ten years filming workplace injuries as a PI gave Anear buyer access and hazard know-how no app-first rival had.
Open →
Spellbook
SaaS
The AI contract copilot that lives inside Word.
$100M ARR
Stated · live run-rate, 2026 target
Harvey has far more capital and BigLaw.
★ The edge: Shipped the first GenAI drafting tool for lawyers in 2022, native to Microsoft Word, sold self-serve by the seat.
Open →
ThreatLocker
SaaS
Antivirus blocks known bad. This denies the rest.
$100M
Estimate · revenue, CEO-stated 2025
Approvals pile up; allowlisting is heavy.
★ The edge: Default deny: nothing runs unless the MSP approved it, so new ransomware arrives with no policy letting it execute.
Open →
Veriff
SaaS
Fraud laws force ID checks. Veriff runs them for a fee.
Over $100M
Stated · revenue, profitable 2025
Per-check pricing invites undercutting.
★ The edge: AML law mandates the demand, not marketing. 400M video checks train an accuracy edge rivals can't copy fast.
Open →
WebPT
SaaS
A PT built the software her whole field learned from.
$100M+
Estimate · revenue, press-stated
One vertical; a UX-led rival is taking share.
★ The edge: An insider PT made WebPT the rehab profession's teacher (blog + Ascend summit), so clinics arrived before any ad ran.
Open →
Twinkl
SaaS
Sells teachers the worksheets they made at 10pm.
£78.6M
Filed · about $98M · turnover, FY to Apr 2024
Free AI can draft a worksheet in seconds.
★ The edge: It industrialised unpaid evening work: salaried teachers turn every curriculum change into ready-made resources.
Open →
PowerOffice
SaaS
Accountants do the selling. It bills per invoice.
NOK 925M
Filed · about $96M · FY2025 revenue, filed
Norway only; Visma now owns it.
★ The edge: Accounting firms put clients on it, so partners do the selling — and every invoice meters the bill.
Open →
Signicat
SaaS
The single plug into every eID banks must use.
NOK 1B+
Stated · about $95M · 2023 turnover (company)
It resells national eIDs it doesn't own.
★ The edge: Europe's eID schemes are fragmented and national; Signicat integrated 35+ into one API regulated firms onboard through.
Open →
Swappa
Marketplace
The used-electronics market without the scams
$92M
Stated · seller proceeds (GMV)
Scale Low capped
★ The edge: Free to list, so supply floods in; buyer and seller each pay about 3% on a sale for what used tech lacks: trust.
Open →
1stDibs
Marketplace
Where designers buy five-figure furniture online.
$89.6M
Filed · 2025 net revenue
Rare, cyclical buys cap repeat and growth.
★ The edge: Invite-only curation plus authentication let strangers trust five-figure buys that open marketplaces can't safely host.
Open →
Bark.com
Marketplace
Local-service marketplace where pros buy leads
£70M
Stated · $88M · FY2022 turnover · filed
Earns whether the pro wins the job or not
★ The edge: Pros pay upfront for lead credits, so Bark earns before any job happens or any deal closes off-platform.
Open →
Sumsub
SaaS
The ID check every regulated app is forced to buy.
$85.6M
Estimate · ARR, 2024 (private est.)
Crowded market; per-check prices falling.
★ The edge: A crypto client asked for KYC; they dropped photoshop-detection and went all-in on AML checks before incumbents cared.
Open →
FreeTaxUSA
SaaS
Filing is the law. They gave away the federal part.
82M+
Stated · tax returns filed with IRS
One season; Direct File died, politics shift.
★ The edge: Bootstrapped 2001; low cost lets federal stay free forever. 82M+ returns = trust rivals buy with ads.
Open →
AppSumo
Marketplace
Sells software lifetime deals to a 1.5M-buyer list.
$80M
Stated · 2023 revenue
One-time cash, no recurring revenue.
★ The edge: The product is distribution, not deals: a 1.5M-buyer list makers hand 70-80% of a Select deal to reach.
Open →
Pagero
SaaS
E-invoicing network riding a wave of tax mandates.
$75M
Stated · 2023 net sales · $800M exit
⚠ Control: rules shift
loss-making land-grab
loss-making land-grab
★ The edge: They pre-built compliance across dozens of countries, so every new e-invoice mandate lands as ready-made demand.
Open →
VisasQ
Marketplace
Japan's marketplace for one-hour expert calls.
¥9,974M
Filed · $64M · revenue, FY ended Feb '26
Demand swings with deal & consulting cycles.
★ The edge: Global ENS firms sold pricey retainers to megafunds in English. VisasQ made expert calls self-serve, in Japanese.
Open →
Coconala
Marketplace
Japan's skills flea market — design to fortunes.
$62M
Filed · FY25 rev, +43% (TSE-listed)
Core GMV up 4.6%; growth leans on staffing.
★ The edge: Sells what Fiverr won't — anonymous fortune-telling and worry-chats are flagship categories, not novelties.
Open →
HaloPSA
SaaS
Bootstrapped PSA that MSPs quit Kaseya for.
$62M
Filed · FY25 turnover (filed)
Growth rode rivals' PE-driven price hikes.
★ The edge: Two IT-support guys built their own ticket tool, never took VC, and undercut PE-owned rivals on price and depth.
Open →
JobNimbus
SaaS
Sold a $1.2B firm, then went all-in on roofers.
$60M
Estimate · revenue, 2024
Roofing software is crowded and funded.
★ The edge: A roofer won't abandon the app that runs his jobs, his crew, and his customers' payments.
Open →
GeoComply
SaaS
US law makes every online bet prove your location.
$56M
Estimate · est. revenue (Latka, 2025)
Tied to gambling law it does not control.
★ The edge: US betting law requires a geolocation check on every bet, and GeoComply runs it for nearly every major operator.
Open →
BharatMatrimony
Marketplace
India's paid matchmaker, one caste at a time
$55M
Filed · FY25 rev, NSE-listed
Young urban India is leaving for dating apps
★ The edge: Paid matchmaking: brides and grooms subscribe to contact verified matches, split across 300+ caste and language sites.
Open →
Komoot
SaaS
Europe's outdoor map, grown to 45M users, then sold.
$54M
Estimate · 2024 revenue, reported
Goodwill, not lock-in, was the only moat.
★ The edge: User-contributed 'Highlights' make its trail routing beat any pure-map rival — a 15-year community data moat.
Open →
ComplyAdvantage
Data
Banks must screen for dirty money. They sell the check.
£42M
Estimate · about $53M · Turnover est. (GlobalDB)
Deep-pocketed incumbents own the big banks.
★ The edge: AML law forces every bank and fintech to screen customers; ComplyAdvantage owns the risk database they check against.
Open →
Supermetrics
SaaS
Marketing data pulled into the sheet you already use.
€50M+ ARR
Estimate · about $52M · 2022, bootstrapped origin
Google can build the connectors natively.
★ The edge: First to connect Google's API to a spreadsheet, then let Google's own add-on store sell it. No sales team.
Open →
accessiBe
SaaS
One line of code, sold as instant ADA compliance.
$51.3M
Estimate · 2024 revenue (est.)
entry Low
clones
clones
★ The edge: Sold to 100,000+ SMBs too scared of an ADA suit to buy a real audit — one script tag, about $490/yr.
Open →
GunBroker
Marketplace
The gun auction site that sells nothing itself
$51.1M
Filed · FY26 revenue (marketplace)
Revenue still sits below its FY22 peak.
★ The edge: Every online gun sale must end at a licensed dealer. GunBroker wired 32,000 of them in and bills the sale.
Open →
Didomi
SaaS
GDPR made the cookie banner mandatory. Didomi runs it.
$50M ARR
Estimate · est. ARR (Latka, 2026)
Google sets the rules, not Didomi.
★ The edge: In the EU you can't run ads without a certified consent banner, so a CMP is a forced install, not a nice-to-have.
Open →
Doxy.me
SaaS
Gave away HIPAA-compliant video. Kept 30% of telehealth.
$50M+
Estimate · yearly, est. (2021 press)
Free compliant video is copyable by giants.
★ The edge: Put the costly part - HIPAA compliance and a signed BAA - in the free tier, so any provider starts in one click.
Open →
Preply
Marketplace
The marketplace for 1-on-1 language tutors.
$50M
Estimate · 2021 rev, +50%/yr (est)
Tutors resent the 100% first-lesson grab.
★ The edge: Takes 100% of a tutor's first lesson, then a commission that falls from 33% to 18% the more they teach.
Open →
Useme
Marketplace
Freelancers with no company, invoicing legally.
$50M/yr
Estimate · flow-through, not margin
Thin take: 4.99% of a pass-through flow.
★ The edge: Useme becomes the legal seller of the work, so someone with no registered business can still issue a real invoice.
Open →
Ignition
SaaS
Proposals that collect the payment on signing.
$46.7M
Estimate · est. ARR · 8,500 firms
Xero or QuickBooks could bundle this in.
★ The edge: Guy Pearson was a chartered accountant sick of chasing his own clients to pay. He built Ignition for his firm first.
Open →
Kit
SaaS
Bootstrapped email for creators. About $45M/yr, no VC.
$45M/yr
Estimate · annual revenue (2024)
NDR under 100%; growth cooled to mid-teens.
★ The edge: Niched to pro creators as Mailchimp went broad; free done-for-you migrations pulled users off rivals and kept them.
Open →
Admicom
SaaS
The ERP he sold to Visma, rebuilt for Finnish builders
€37.7M
Filed · about $43M · 2025 revenue, Nasdaq filed
Grows 6% a year. One industry, one country.
★ The edge: Sells only to Finnish construction and building-services firms — then keeps their books and payroll too.
Open →
BUYMA
Marketplace
A crowd abroad shops luxury for you — guaranteed real.
¥6.3B
Filed · about $41M · Net revenue, FY Jan 2026
Discretionary luxury; weak yen bites GMV.
★ The edge: No inventory, no imports: 244k personal shoppers abroad are the supply, and BUYMA underwrites every sale as authentic.
Open →
Flightradar24
Data
The crowd built the network. 36 staff sell the view.
SEK 418.8M
Filed · about $41M · FY24 revenue (filed)
The signal is public. It owns no data.
★ The edge: ADS-B is a free radio signal any hobbyist can catch. FR24 spent 18 years turning scattered listeners into one network.
Open →
AudioEye
SaaS
ADA-lawsuit insurance, delivered as a script tag.
$40.3M
Stated · FY2025 revenue, +15% YoY
Its demand engine (lawsuits) can turn on it.
★ The edge: Courts manufacture the demand: thousands of ADA web suits a year scare SMBs into buying compliance they can't judge.
Open →
OzBargain
Ad
Australia's deal hive — the crowd posts, ads pay.
40M+
Stated · page views/month
Scale mid AU-only ceiling
★ The edge: The crowd writes every deal for free; OzBargain just owns the hive and rents attention to advertisers.
Open →
BigChange
SaaS
One app runs the plumber's vans, jobs and invoices.
£30M+ ($38M)/yr
Stated · recurring revenue (2023)
Took £75M ($95M) PE, sold to Simpro.
★ The edge: Rivals sold scheduling or tracking; Port had sold a telematics SaaS, so BigChange shipped both in one app.
Open →
Yoti
SaaS
The law says prove your age - Yoti sells the proof.
£29M
Stated · FY2025, CEO-stated (+62%)
The market lives or dies by the regulator.
★ The edge: No ID upload, nothing stored - just a selfie, deleted instantly. It solved the privacy fear that killed the 2019 law.
Open →
Flodesk
SaaS
The email tool that refused to tax your list growth
$36M ARR
Stated · ARR, founder interview 2026
Flat-rate promise retired Dec 2025
★ The edge: Every email a customer sends carries a Flodesk footer, so the product advertises itself to exactly the right list.
Open →
BatchService
Data
Bootstrapped to $35M on data, then rules changed
$35M
Stated · revenue at 2022 peak
Core demand tracks a market it can't control.
★ The edge: Investors themselves, they built cheap skip-tracing and lead tools other investors wanted, and undercut the incumbents.
Open →
QuestionPro
SaaS
Bootstrapped a survey tool to $35M by buying rivals
$35M run rate
Stated · revenue run rate (2023)
Commoditized market, heavy price pressure.
★ The edge: Profitable 21 years, never raised. Grows by buying small survey companies at about 2x revenue.
Open →
VinSolutions
SaaS
A basement photo-uploader became the #1 dealer CRM.
$35M/yr
Stated · revenue at 2011 exit
One vertical, under the DMS giants.
★ The edge: Bootstrapped on about $200K, it undercut on-prem rivals with month-to-month web SaaS, then sold to AutoTrader for $150M.
Open →
Airtasker
Marketplace
The odd-jobs marketplace that traded shares for airtime.
A$52.6M
Filed · FY25 revenue, about US$34M
New markets restart the liquidity problem.
★ The edge: A marketplace's real bottleneck is demand-side awareness — Airtasker bought it with equity instead of burning cash.
Open →
PlaytestCloud
Marketplace
UserTesting, but only for games.
$34M
Estimate · revenue (Latka est., 2025)
warn Scale mid
human cost each test
human cost each test
★ The edge: It only tests games — so its 1.5M-player panel earns trust generic UX tools can't win for a launch.
Open →
Wantedly
Marketplace
Hiring by mission, not resume — flat monthly fee.
$33M/yr
Filed · Op. revenue, FY25 (listed)
Japan-only; casual-visit hiring is local.
★ The edge: A flat monthly subscription where agencies take 30-35% of first-year salary — cheap enough for cash-poor startups.
Open →
Atera
SaaS
Flat fee per tech, unlimited devices. MSPs switched.
$32.7M
Estimate · est. ARR (Latka, 2024)
Per-seat pricing caps revenue per account.
★ The edge: Rivals bill per endpoint; cost grows with a client's devices. Atera bills per technician - margin holds as you scale.
Open →
LCPtracker
SaaS
Free for contractors. The agency the law forces pays.
$31M ARR
Estimate · 2024, from $1M in 11
US-only law; grows one slow agency at a time.
★ The edge: Gave the app free to contractors and billed the agency - the party the law forces to collect payroll weekly.
Open →
OpenWork
Data
Japan's Glassdoor: 21M reviews, sold to recruiters.
¥4,653M
Estimate · $31M · FY2025 op. revenue, +31%
Japanese-only; hard to scale abroad.
★ The edge: Free reviews are bait; the real product is 8M job-seekers, sold to employers as pay-on-hire scouting.
Open →
Everflow
SaaS
Track every affiliate, partner and payout in one place.
$30M+
Stated · ARR · $0 VC · 2025
⚠ Entry mid
crowded, copyable category
crowded, copyable category
★ The edge: insiders rebuilt affiliate tracking, then poached rivals' locked-in clients with painless migration — no VC.
Open →
GreenPal
Marketplace
Uber for lawns, built by an ex-lawn-care mogul.
$30M+
Stated · GMV, not net revenue
Thin cut on a low-ticket, seasonal chore.
★ The edge: Spent 3 years nailing one city's liquidity before scaling — density that VC copycats never earned.
Open →
StreamYard
SaaS
The browser live studio that sold for $250M
$30M ARR
Stated · bootstrapped, at 2021 sale
Rides platforms it does not control
★ The edge: A live studio that runs in a browser tab and does not crash. It sold ease over features, and stayed profitable doing it.
Open →
TaxDome
SaaS
One login replaces a firm's six accounting tools.
$30M
Stated · ARR, CRO-stated 2024
Crowded space; every rival is better funded.
★ The edge: No equity investors, all-in-one: one flat seat price covers the CRM, docs, e-sign and billing rivals sell separately.
Open →
Tebex
Marketplace
Let game servers sell in-game perks — for a 5% cut.
$29M
Estimate · sale to Overwolf (2022)
⚠ Control Low
rides games it can't own
rides games it can't own
★ The edge: he lived the pain as a server kid, then became the default payment rail before rivals showed up.
Open →
Metrc
SaaS
The system 20+ states force on cannabis sellers.
$28.4M/yr
Stated · CA contract only, 1 of 23
Every dollar rides on renewable state deals.
★ The edge: A state mandates Metrc; every licensed cannabis operator must then pay in to stay legal. The regulator is the moat.
Open →
lempire
SaaS
Bootstrapped cold email to $28M ARR on $1,000 of cash.
$28M ARR
Estimate · 2024, founder-stated
Cold email lives or dies by deliverability.
★ The edge: Profitable from day one; the founder's content brings in most signups, so CAC stays low and 40% drops to profit.
Open →
FishingBooker
Marketplace
Airbnb for fishing charters, bootstrapped in Serbia.
$27.9M
Estimate · annual revenue (est.)
Captains resent fees, nudge 'book direct'.
★ The edge: Free to list, so captains flooded in. FishingBooker takes 10-30% only when a trip books. No VC, profitable in 4 mo.
Open →
note inc.
Community
Japan's ad-free platform for paid writing.
¥4.14B
Stated · $27M · FY25 net sales, +25% YoY
Thin take, Japan-only, thin profit.
★ The edge: Built by a hit book editor: no ads, about a 17% take, creator-first design — so writers bring their own fans.
Open →
Spectora
SaaS
Home inspector software, bootstrapped $0 to $27M
$27M ARR
Stated · 2024-25 · bootstrapped
Scale low
finite US inspector TAM
finite US inspector TAM
★ The edge: Won a boring niche by living in its Facebook groups for years, then bundling 5 tools into one app.
Open →
OddsJam
Data
Bloomberg Terminal for sports bettors.
$26M
Stated · 2024 revenue (at exit)
Lives or dies with legal US betting.
★ The edge: Two Stanford quants sold bettors the exact odds engine they used to beat the books themselves.
Open →
BIS Safety Software
SaaS
Boring safety software. 99% of customers never leave.
$25M CAD/yr
Stated · founder-stated ARR, 2025
Labor-heavy; one vertical, mostly Canada.
★ The edge: Leaving BIS means re-certifying your whole crew — so under 1% churn. Half of new customers come by referral, not ads.
Open →
Clear (ClearTax)
SaaS
India made GST filing the law. Clear became the rails.
$25M
Stated · FY24 rev, +93% YoY
Govt's free portal can commoditize filing.
★ The edge: When a govt forces millions to file taxes digitally, whoever ships the easiest compliant rails becomes default plumbing.
Open →
Innergy
SaaS
He owned a millwork shop, then built its ERP.
$25M
Stated · 2025 revenue (stated)
Finite market — only so many millwork shops.
★ The edge: 18 years running a real millwork shop taught him every bid-to-install workflow no outside SaaS team can fake.
Open →
Mangomint
SaaS
Salon software that bought the blog its buyers read.
$25M ARR
Estimate · ARR, doubling YoY (2026)
One vertical; growth caps at salon-count.
★ The edge: So easy a non-technical salon owner runs booking, POS and payroll solo — and stays (110% NRR).
Open →
Reedsy
Marketplace
Vetted marketplace where indie authors hire book pros.
$24M
Stated · ARR (2023)
Almost all growth comes from Google SEO.
★ The edge: Beat incumbents with SEO and free author tools, then vetted freelancers so hard Reedsy became the default.
Open →
Intellicheck
SaaS
The law put a barcode on every ID. They read it.
$22.67M
Filed · FY2025 revenue (10-K)
Top 10 customers = 77% of revenue.
★ The edge: Reads the barcode on every North American license - including the ones that break the AAMVA standard.
Open →
ReposiTrak
SaaS
Grocers mandate it. Suppliers pay. 99% recurring.
$22.6M
Filed · FY2025 revenue (to Jun 30)
FDA moved its deadline to 2028. Demand waits.
★ The edge: Retailers sign on as hubs, then order their suppliers onto the platform. The mandate replaces the sales call.
Open →
Eqvista
SaaS
Bootstrapped Carta rival, driven by the 409A rule.
$22M ARR
Estimate · Latka est., unconfirmed
409A is a commodity Carta gives away cheap.
★ The edge: Prior incorporation firms feed new startups into a free cap table, then upsell the 409A the IRS forces them to buy.
Open →
Hospitable
SaaS
Runs an Airbnb host's business: messaging to bookings.
$22M
Stated · run-rate, disclosed 2025
Built entirely on Airbnb's API.
★ The edge: Grew to $22M ARR with no VC - on Airbnb's API - then sold equity to its own hosts.
Open →
Hubstaff
SaaS
$52K and one SEO engine, bootstrapped to $22M ARR.
$22M ARR
Stated · ARR, bootstrapped 11 yrs
Growth was one channel: SEO. Google owns it.
★ The edge: A proven SEO operator validated demand first, then organic search brought in 99% of early customer acquisition.
Open →
Retention.com
SaaS
Emails the visitor never gave you. $22M ARR.
$22M ARR
Estimate · ARR, founder-stated 2024
Banned under GDPR — US-only market.
★ The edge: US anti-spam law is opt-out, so it can email visitors it matched to real inboxes without their consent.
Open →
Gumroad
Marketplace
Sell any digital product from one storefront — flat 10%.
$20.7M
Filed · 2023 · $8.9M net · 0 staff
GMV plateaued · flat fee invites churn
★ The edge: he hiked the fee and cut to zero staff — a shrinking company that's wildly profitable.
Open →
Street Group
SaaS
He learned PHP to fix his dad's estate agency.
£15,936,619
Filed · FY2025 turnover, about $21M
One country, one trade, one housing cycle.
★ The edge: They grew up inside an estate agency, so they built for the one job agents get paid on: winning instructions.
Open →
Systeme.io
SaaS
Bootstrapped ClickFunnels rival: 500K users.
$20.1M ARR
Estimate · 2024, est. (Latka)
Revenue is a Latka estimate, not filed.
★ The edge: ClickFunnels and Kajabi cost $100-300/mo. Systeme.io bundles the same stack from free to $97, no transaction fees.
Open →
HappyFox
SaaS
$20M help desk, zero funding, four salespeople.
$20M ARR
Stated · founder-stated, Apr 2025
One category, three giants with more cash.
★ The edge: Help desk from $24/agent against Zendesk's $19-115 ladder. Mid-market buyers get scale without the enterprise tax.
Open →
Leap
SaaS
A roofer's kitchen-table sales app, sold to the trade.
$20M+ ARR
Stated · ARR, interview summary
Seats shrink when contractors cut reps.
★ The edge: Outsiders modeled the job. Fingles modeled the sale: quote, financing and signature before the rep leaves the kitchen.
Open →
Propeller
Marketplace
Surety bonds issued instantly, agent keeps the fee.
Nearly $20M
Stated · revenue before Arch deal
Carriers could build this and go direct.
★ The edge: Aaron sold surety bonds by hand; cousin Chris underwrote them. They automated the exact friction they'd lived.
Open →
RapidWorks
SaaS
80% of US concrete pumping runs on his dispatch app
Near $20M ARR
Stated · ARR, Jul 2026
One small trade. Growth now needs M&A.
★ The edge: Nobody wanted to learn how a boom pump job gets billed. Bullis did, and 80% of the trade now runs on his software.
Open →
Skillcast
SaaS
Compliance training nobody wants and everyone must buy.
£15.3M
Filed · about $20M · FY2025 revenue, audited
UK is 81% of revenue; NRR only 101%.
★ The edge: Sells the audit trail, not the lesson. Every new UK rule adds a mandatory course to 1,221 clients' renewal.
Open →
RightCapital
SaaS
Two brothers out-planned Fidelity and Envestnet.
$19.7M
Estimate · est. ARR (Growjo)
Two of three rivals are giant-owned bundlers.
★ The edge: Went deep on the one job incumbents underserved - tax-smart retirement drawdown - at half eMoney's price.
Open →
Fullbay
SaaS
Shop software for heavy-duty diesel truck repair.
$19.4M
Estimate · ARR, 2024 (est.)
Finite niche; PE-owned, raising prices.
★ The edge: A founder who spent a year in a diesel shop built software shops actually run on — and 99%+ of them never leave.
Open →
Prolific
Marketplace
Vetted humans for research, now for AI.
$18.2M
Estimate · 2024 rev · Latka est
High take rate; big AI labs may in-source.
★ The edge: MTurk runs on bots and pennies. Prolific ID-vets and fairly pays humans, so data runs 4x cleaner — now AI-grade.
Open →
PIXTA
Marketplace
Japan's biggest stock-photo site, on local faces
$18M/yr
Filed · FY2025 net sales, TSE 3416
AI now generates what buyers once licensed
★ The edge: Licenses amateur-shot photos to Japanese buyers by credit or subscription; keeps 58-78% of each sale.
Open →
AutoCount Dotcom
SaaS
Malaysia mandated e-invoicing. AutoCount owned the SMEs.
RM75.3M
Filed · about $17M · FY2025 revenue (audited)
Mandate bump is partly one-off revenue.
★ The edge: 26 years owning the books meant when e-invoicing became law, 240k locked-in SMEs bought the fix from AutoCount.
Open →
DealMachine
SaaS
Spot a run-down house, mail its owner in one tap
$17M/yr
Stated · annual revenue, 2026
Data is licensed and resold — no real moat
★ The edge: Founder drove for dollars himself, built the app to fix a missed deal, then swapped per-mail fees for subscriptions.
Open →
Creema
Marketplace
Japan's curated craft market out-earns its rival.
$16.9M
Filed · net sales · yr to Feb '26
Thin margins in a small, mature market.
★ The edge: minne lists more sellers, yet Creema does the bigger GMV — it won on curation and a live festival, not ad spend.
Open →
Formalize
SaaS
The whistleblower channel EU law forces firms to buy.
$16.9M
Estimate · est. ARR (2025)
Whistleblowing is a cheap, cloned commodity.
★ The edge: An EU directive gave 200k firms a hard deadline to install a report channel. Formalize was built to catch it.
Open →
Reverb
Marketplace
eBay for musicians, built by a guitar-shop owner.
$16M
Stated · 2016 rev · $240M GMV
Sellers multi-home to eBay + free FB groups.
★ The edge: Owns the used-gear price data: every sale feeds it, both sides trust it, rivals can't match the vertical depth.
Open →
Discogs
Marketplace
Fans built the database. Discogs takes 9% of sales.
15.6M+
Stated · items sold
One niche: physical-record collectors.
★ The edge: A definitive music catalog crowd-built by collectors over 25 years — a data moat no rival can rebuild.
Open →
Floify
SaaS
Bootstrapped loan-doc SaaS. 1,500 lenders. $90M exit.
$15M
Filed · 2022 rev (Porch est.)
One workflow; now Porch owns the roadmap.
★ The edge: Rivals sold bloated loan suites top-down. Floify sold one job, doc collection, bottom-up to individual loan officers.
Open →
IRIS RegTech Solutions
SaaS
Regulators mandate XBRL filing. IRIS sells the tool.
Rs 125.97 Cr
Estimate · $15M · FY25 operating revenue
Africa is 35% of revenue; lumpy deals.
★ The edge: The founders sat on India's XBRL committee, then sold the filing tool regulators went on to mandate.
Open →
Lemon.io
Marketplace
Keeps a fifth where rivals keep half.
$15M
Estimate · marketplace size (billings)
Clients and devs can go direct.
★ The edge: Ran a task marketplace 5 years first; that vetting engine lets lemon price its cut at half the industry norm.
Open →
Rentman
SaaS
Rental ops for the AV crews behind every event.
$15M+ ARR
Stated · founder range 15-20M
Niche ceiling: finite rental houses worldwide
★ The edge: An AV-rental owner built the tool his trade lacked -- purpose-made for it, where rivals adapted generic software.
Open →
RTA Fleet
SaaS
The grandson turned grandpa's fleet software into SaaS.
$15M ARR
Stated · ARR run-rate, 2024 (stated)
Slow, high-touch government procurement.
★ The edge: Inherited 40 years of government-fleet installed base and trust, then rebuilt the legacy product as cloud SaaS.
Open →
Tekmetric
SaaS
A shop owner built the software he wished he had.
$15M
Estimate · 2024 revenue (est.)
Crowded field, features are copyable.
★ The edge: Built by a Houston shop owner who mopped his own floors — mechanics trust software from someone who did their job.
Open →
Text Request
SaaS
Why can't you text a business? They fixed that.
$15M
Stated · ARR at exit (2024)
Built on Twilio; thin moat, crowded field.
★ The edge: Won a crowded texting market on focus and cost, from Chattanooga — then absorbed 20k orphaned Zipwhip customers.
Open →
Optmyzr
SaaS
Google's ad evangelist quit, then built the PPC tool.
$14.6M
Estimate · est. ARR (Latka, 2023)
A layer on Google Ads; Google can absorb it.
★ The edge: Fred Vallaeys was Google's AdWords evangelist for a decade. He left, then sold pros better Google Ads tools.
Open →
iFirma
SaaS
Poland forces digital tax filing. iFirma runs it.
PLN 58M
Stated · 2024 rev · about $15M
Locked to Poland; hard to cross borders.
★ The edge: Poland's first online-accounting brand; 15+ years of local tax law make it the default upgrade as KSeF turns mandatory.
Open →
BuiltWith
Data
Fingerprints a site's tech stack — then sells the reverse.
$14M/yr
Estimate · annual revenue (est.)
Lookup is free · lead-gen cut first
★ The edge: the lookup is free — the real moat is 18 yrs of crawl history nobody can back-fill.
Open →
Rentec Direct
SaaS
A landlord coded his own rent tool — now $14M/yr.
$14M
Stated · annual rev · self-reported
⚠ Entry
crowded
crowded
★ The edge: A landlord taught himself to code, then undercut every VC-funded rival and stayed bootstrapped 18 years.
Open →
Volie
SaaS
The call-center engine built for car dealerships.
$14M/yr
Stated · 2025, founder-disclosed
Narrow US auto vertical caps the TAM.
★ The edge: Not a CRM: purpose-built call-center software for dealership BDCs, sold on OEM vendor lists so co-op money pays for it.
Open →
UserWay
SaaS
One line of code, 'instant' ADA compliance
$13.8M
Filed · FY2023 revenue (+78% YoY)
Overlays don't actually make sites compliant.
★ The edge: Turned ADA-lawsuit panic into a self-serve $49/mo widget — dread and distribution, not accessibility, built the revenue.
Open →
Sidekiq
Dev
One-person business, 1,850 paying Ruby shops.
$13.5M total
Estimate · 10-yr gross sales, solo
Tied to Ruby's fate; one-person bus factor.
★ The edge: Every Ruby shop runs the free version; upgrading to paid Pro is one config line — every scaling shop is a lead already.
Open →
Carrot
SaaS
Websites that rank for 'we buy houses.'
$13M
Stated · annual revenue (est.)
Whole value rents Google's front page.
★ The edge: One split-tested website design, tuned on tens of thousands of investor leads, outranks rivals' template menus.
Open →
Inflectra
SaaS
Self-funded test software vs VC-backed giants
$13M
Estimate · yearly rev · bootstrapped
Thin 5-10% margins, slow linear growth.
★ The edge: A programmer-founder undercut costly HP/Micro Focus ALM on price, then owned the regulated niche giants ignored.
Open →
YAMAP
Community
No signal, still on the map. Hikers pay $38 a year.
¥1.974B
Stated · about $13M · FY24 revenue, year to June
One country, one hobby. Two years of losses.
★ The edge: 27 of Japan's 47 prefectures are wired to YAMAP for rescue and hiking plans. A global rival cannot do that.
Open →
Practice by Numbers
SaaS
He ran SQL on his wife's dental practice.
$12.5M ARR
Estimate · end 2025 · bootstrapped
Depends on PMS vendors it can't control.
★ The edge: Dentists collect practice data but rarely read it; PbN turns the PMS they already run into a dashboard.
Open →
Jimoty
Ad
Japan's free classifieds board that takes no cut
¥1.93B
Stated · about $12M · FY2025 net sales, TSE reported
Ad income per page view keeps falling
★ The edge: Ten percent of a free sofa is nothing, and posting one costs more than it fetches. Jimoty took what rivals cannot price.
Open →
Lawmatics
SaaS
The CRM lawyers buy to stop losing new clients.
$12M ARR
Stated · ARR, founder-stated 2026
SMB churn; Clio can bundle intake free.
★ The edge: Founder built MyCase for these same firms, then sold them the intake-and-marketing layer Clio never owned.
Open →
Lumel
SaaS
$12M ARR from planning apps that live inside Power BI.
$12M+ ARR
Stated · ARR run rate, self-funded
300 people for about $12M: thin per-head.
★ The edge: It builds EPM apps inside Power BI and Microsoft Fabric, so Microsoft's install base is its distribution.
Open →
REVIEWS.io
SaaS
Fair-price Trustpilot rival, sold for $72M.
$12M ARR
Estimate · before $72M exit, 2022
Crowded category; features easily copied.
★ The edge: Undercut Trustpilot's pricey annual contracts; every badge on a storefront lured that brand's rivals over to switch.
Open →
Pitchup.com
Marketplace
15% of every campsite night the OTAs ignored
€10.84M
Estimate · about $11.7M · 2024 revenue · FT ranking
No subscription - income stops with bookings
★ The edge: Free to list, 15% only when a booking lands. Campsites that had never sold a night online had nothing to lose.
Open →
Web Manuals
SaaS
Aviation rules change. Their manuals change with them.
SEK 111.6M
Filed · about $11.7M · Sweden AB net turnover, FY25
Aviation only. One downturn hits everything.
★ The edge: Compliance libraries link each manual line to FAA/EASA text, so every rule change is an upsell, not a churn risk.
Open →
Recite Me
SaaS
The accessibility widget the law makes you buy.
£8.8M
Stated · total BGF investment
Masks accessibility; doesn't fix WCAG.
★ The edge: Dyslexic founder built the tool he needed, so it sells as genuine inclusion — not a compliance band-aid like AccessiBe.
Open →
DataSnipper
SaaS
Audit's grunt work, automated inside Excel.
€10M ARR
Stated · about $11M · ARR, bootstrapped (2022)
Tech is copyable; Big 4 habit is the moat.
★ The edge: Auditors won't adopt a new app mid-busy-season. DataSnipper didn't ask — it put the automation inside Excel.
Open →
Fakturownia
SaaS
The invoicing app Poland's VAT law made unavoidable.
$11M/yr
Filed · 2025 revenue (KRS filing)
One country's law; free govt KSeF looms.
★ The edge: Polish tax law is complex and always changing; Fakturownia's compliance fluency is a moat generic apps can't copy.
Open →
fiskaly
Dev
Germany made POS security a law. fiskaly made it an API.
€10M+ ($11M) ARR
Stated · recurring rev, 2023
New country = a fresh multi-year cert.
★ The edge: First BSI-certified cloud TSS — rivals shipped chips; fiskaly made compliance one API call, billed per terminal.
Open →
Recruit CRM
SaaS
Dad's decades in staffing = day-one users.
$11M ARR
Stated · founder-stated, 2026
Crowded ATS niche; incumbents are sticky.
★ The edge: Out-focus, not outspend: cleaner UX than clunky Bullhorn, sold via a dad with decades of staffing access.
Open →
Weglot
SaaS
One snippet makes any site multilingual and SEO-ready.
$11M ARR
Stated · 2021, at Series A
⚠ Entry low
crowded field
crowded field
★ The edge: Widgets translate in-browser and vanish from Google. Weglot ships indexable /fr/ pages + hreflang.
Open →
Ghost
SaaS
The anti-WordPress, run as an unsellable non-profit.
$10.9M
Stated · ARR, live public dashboard
Most installs self-host free and never pay.
★ The edge: Its charter makes the company unsellable, so incentives can never drift from creators to shareholders.
Open →
Stack Influence
Marketplace
Creators paid in product. Brands pay about $30 a post.
$10.7M
Estimate · gross billings 12mo (Stripe)
Amazon can rewrite the rules overnight.
★ The edge: 340k vetted US creators and one flat fee mean a brand never negotiates with a single influencer.
Open →
Stocksy United
Marketplace
The stock-photo co-op its photographers own.
$10.3M
Stated · 2016 sales, last disclosed
AI images threaten the whole category.
★ The edge: Pays artists 50-75% per sale (vs iStock's 15-45%) and makes them owners with board votes, so supply never defects.
Open →
Tracxn
Data
The startup database global VCs rent, built in India
$10.1M
Estimate · FY25 revenue - public filing
Revenue plateaued; AI erodes the labor moat.
★ The edge: Two ex-VCs weaponized India's 10x-cheaper analysts to out-cover Crunchbase, then sold the data back to global VCs.
Open →
AstroSage
SaaS
Free birth charts for 80M - AI reads them for pay.
$10M/yr
Estimate · FY25 revenue (Tracxn est)
1/14th of rival Astrotalk's revenue.
★ The edge: Free Kundli tools pull 80M installs via SEO; the paid AI astrologer then answers at about 90% margin.
Open →
BBCS
SaaS
Blood bank software the FDA must clear before you ship
$10M/yr
Stated · annual revenue, 40 staff
Few buyers, and the pool never grows.
★ The edge: FDA made blood bank software a medical device in 1994. Every release needs 510(k) clearance, so nobody enters casually.
Open →
BetterComp
SaaS
Automating the salary-survey chore comp teams hate.
$10M
Stated · 2025 rev, founder-stated
Now VC-backed; incumbents own the surveys.
★ The edge: 20 years inside Salary.com, PayFactors and PayScale taught the founder exactly which comp workflow to unbundle.
Open →
Bizness Apps
SaaS
DIY app builder for SMBs. Bootstrapped, sold $20M+.
$10M
Stated · ARR at 2018 exit
SMB-native-app demand later collapsed.
★ The edge: Raised just $100K, so a clean cap table let a PE firm buy 100% all-cash — no VCs to negotiate out.
Open →
BrightGauge
SaaS
Client dashboards MSPs run on top of their PSA tools
$10M ARR
Stated · 2019 exit · bootstrapped
A report add-on the platform could absorb.
★ The edge: Built by brothers who ran their own MSP, so it plugged into the exact ConnectWise/Autotask tools MSPs already used.
Open →
Chatbase
SaaS
Custom AI support agents from your own docs.
$10M
Stated · ARR, bootstrapped 2026
Commodity feature; clones and OpenAI compete.
★ The edge: Shipped "ChatGPT on your data" weeks after ChatGPT itself; $1M ARR in 117 days, zero ad spend, no VC.
Open →
Comalatech
SaaS
Bootstrapped Confluence apps. Sold for mid-8 figures.
$10M/yr
Stated · annual rev., 2021 (TGA)
One platform's rules govern everything.
★ The edge: Three Confluence apps, 10,000+ installs, bootstrapped 17 years — Atlassian's marketplace handled distribution.
Open →
DFnet
SaaS
Drug trials can't run on spreadsheets. Law says so.
$10M
Stated · revenue, SaaS + services
Tiny beside Veeva/Medidata; slow niche.
★ The edge: A trial locked to your validated system can't switch mid-study — years of switching-cost lock-in per client.
Open →
eConnect
SaaS
Spots banned gamblers on cameras casinos already own.
$10M
Stated · annual revenue (Jul 2025)
Facial recognition law can shift overnight.
★ The edge: Software only. It runs on the cameras and POS the casino already bought, so there is no hardware to rip out.
Open →
eShow
SaaS
Association event software. Every module built in-house.
$10M+
Stated · annual revenue, 2025
125 staff on $10M+ is a services cost base.
★ The edge: 14+ modules on one shared database, none of it acquired. The seams rivals inherited never existed here.
Open →
Fraction
Marketplace
Senior US engineers, part-time, at 70% off a full hire.
$10M ARR
Stated · hit in 3 yrs, no VC
Human margins, not software margins.
★ The edge: Vetted senior US engineers work one client 10-30 hrs a week, long-term, at about 70% less than a full-time hire.
Open →
Greenly
SaaS
Made mandatory EU carbon reports a self-serve SaaS.
$10M+
Stated · 2023 revenue (stated)
⚠ External demand
CSRD scope cut 80%
CSRD scope cut 80%
★ The edge: Rivals chased Fortune 500 carbon budgets; Greenly made carbon accounting cheap and self-serve for SMEs.
Open →
Kinetik
SaaS
Medicaid rides ran on paper. They automated billing.
$10M ARR
Stated · ARR, founder said 2023
Medicaid budget cuts hit every customer.
★ The edge: Three founders sat in customer back offices for 18 months, then integrated 3,100 insurance payers.
Open →
OnlineJobs.ph
Marketplace
Flat $69/mo to hire from 2M Filipino workers.
$10M+/yr
Stated · founder-stated, 2022
Employers cancel right after they hire.
★ The edge: 15 years of free how-to-hire content sends every 'hire a Filipino VA' search to the niche's deepest worker pool.
Open →
Paubox
SaaS
HIPAA email with no portal, no passcode.
$10M
Estimate · ARR est. (Latka '24)
entry: crowded
MS/Google could go native
MS/Google could go native
★ The edge: HIPAA forces encryption; rivals forced portals. Paubox lands in the inbox, so staff actually use it.
Open →
PushPress
SaaS
Gym software built by a gym owner who hated the rest.
$10M+ ARR
Stated · ARR, above $10M (2024)
Boutique gyms open and close constantly.
★ The edge: Founder ran his own CrossFit gym, so PushPress fit the workflows Mindbody, built for spas, never bothered to.
Open →
Rocket.net
SaaS
Cloudflare Enterprise, bundled into a $30 WP plan.
Nearly $10 million/yr
Estimate · at 2025 sale; bootstrapped
Cloudflare owns the network it resells.
★ The edge: Ran product at a CDN company, then resold enterprise edge to WordPress users at self-serve prices.
Open →
Salesmsg
SaaS
He killed his first company to build a bigger one.
$10M+
Stated · revenue, founder-stated
SMS is a feature a big CRM can bundle.
★ The edge: Deep two-way HubSpot texting while rivals sent one-way SMS — and he launched it to a 36K list he already owned.
Open →
Stukent
SaaS
Marketing textbooks go stale in a year. Stukent's don't.
$10M
Stated · Revenue at 2021 PE sale
Seasonal school budgets, slow buying cycles.
★ The edge: Digital marketing shifts monthly; print books ship outdated. Stukent updates courseware live and sells it per student.
Open →
TalkingParents
SaaS
Court-proof messaging for divorced co-parents.
$10M+
Stated · ARR · no outside funding
Churns the moment the custody case ends.
★ The edge: A lawyer cofounder made records court-admissible, so judges and attorneys prescribe the app — courts are the channel.
Open →
TaskRay
SaaS
Salesforce-native onboarding app, bootstrapped to $10M
$10M ARR
Stated · founder-stated, 2021 exit
Salesforce owns the platform it stands on.
★ The edge: Native to Salesforce: it lives where the customer data already is, and AppExchange delivers enterprise buyers.
Open →
TeamBuildr
SaaS
Workout-programming software for strength coaches.
$10M
Stated · ARR · bootstrapped 2025
Ceiling: one small niche (strength coaches).
★ The edge: Verticalized around one job—the strength coach—and charges an NFL team the same flat rate as a high school.
Open →
Vegam
SaaS
No factory background. It runs 300+ plants.
$10M
Stated · revenue (founder, 2023)
Services-heavy; long sales cycles.
★ The edge: 7 years inside one plant taught them the architecture incumbents never got right for messy batch-process factories.
Open →
Walls.io
SaaS
A social-media wall for events, websites and displays
$10M+
Stated · combined ARR, 2 products
Meta API risk; event buyers often churn.
★ The edge: Nonprofit backlinks rank it for social wall; event-platform partners supply the rest — near-free distribution.
Open →
ZeroBounce
Data
Cleans your email list so campaigns land, not bounce.
$10M/yr
Estimate · Latka estimate, 2024
A commodity — rivals undercut on price.
★ The edge: Any dev can clone the API. Tanase won a red-ocean niche on content, trust and breadth — not tech.
Open →
Zum Rails
SaaS
Bootstrapped fintech rails to $10M ARR.
$10M ARR
Stated · bootstrapped, pre-raise
Thin margins on rails it doesn't own.
★ The edge: Rivals sell open banking or payments; Zum Rails merged both plus KYC behind one API — one integration, not three.
Open →
Club Caddie
SaaS
One ERP that runs the whole golf course.
$9M ARR
Stated · 2025, founder-stated
Crowded field; most scale came post-buyout.
★ The edge: He owns golf courses and had built and sold a golf-tech app before, so he knew the buyer well.
Open →
Peec AI
SaaS
$8.6M ARR in 14 months, priced under a $1B rival
$8.6M ARR
Stated · ARR, 14 months from launch
A category that may not outlast the hype
★ The edge: A focused product at $95-495/mo wins the mid-market that enterprise rivals price out — 300+ new customers a month.
Open →
Stamped
SaaS
Coded in two days. Sold for US$110 million.
US$11M ARR
Estimate · at acquisition, Dec 2020
Shopify owns distribution, billing and rank
★ The edge: Distributed by the Shopify App Store, so merchants find it on their own — growth cost almost nothing in ads.
Open →
HiddenLevers
SaaS
The risk tool advisors used to keep clients calm.
$8M
Stated · ARR at 2021 exit
Copyable math, finite US advisor market
★ The edge: Reframed copyable analytics as an advisor client-retention product — then 10x'd the price to prove it.
Open →
smallcase
Marketplace
Stock baskets that trade as one, via your broker.
₹67cr
Stated · $8M · FY24 rev from ops
85.8% of revenue is a toll brokers can cut.
★ The edge: smallcase never became a broker. It's a neutral rail on top of every major Indian broker, tolling each basket trade.
Open →
Submagic
SaaS
Turned its own users into a daily TikTok ad army.
$8M ARR
Estimate · run-rate, bootstrapped 2025
AI clipping is commoditizing toward free.
★ The edge: A creator-founder paid users 30% lifetime to post daily TikToks made in the tool - the product makes its own ads.
Open →
BlueNotary
Marketplace
Notarize documents online — matched to a live notary.
$7.5M
Estimate · ARR (2024 est., no VC)
⚠ Control low
commodity RON, price war
commodity RON, price war
★ The edge: Laws legalized online notarization in 45 states — BlueNotary bootstrapped in as the VC leader cut staff.
Open →
Empire Flippers
Marketplace
Buy & sell online businesses — vetting is the moat.
$7.2M
Estimate · 2024 · founder-stated
⚠ No recurring rev
lumpy, deal-by-deal
lumpy, deal-by-deal
★ The edge: Flipping sites wasn't new — they made it safe: every listing vetted, every handover done by their team.
Open →
BiggerPockets
Community
Real estate's town square — a free forum, 3M+ members.
$7M
Estimate · 2016 rev · last public
⚠ Need cyclical
under 1% pay
under 1% pay
★ The edge: Dorkin kept the forum free for years before charging — trust and UGC compounded into a moat rivals can't buy.
Open →
Konnect Insights
SaaS
50 failed pitches, then partners sold it for him.
$7M ARR
Stated · Bootstrapped · Mar 2025
Crowded category; features commoditize fast.
★ The edge: Self-funded by a parallel services business; agencies and ISV partners (Salesforce, Genesys) did the selling.
Open →
The Receptionist
SaaS
Bought a $250K side project. Grew it to $7M ARR.
$7M+
Stated · ARR, founder-stated
Crowded horizontal; Envoy's VC sets the pace.
★ The edge: Entered a crowded category by buying a $250K shelved app, then won on service and retention — no VC, 30 staff.
Open →
CheKin
SaaS
The guest-registration law, handled in one tap.
$6.8M
Estimate · est. 2024 rev (Latka)
OTAs could bundle registration for free.
★ The edge: The mandate is the moat: each country's guest-reporting law is a separate integration rivals must rebuild.
Open →
Ticket Tailor
SaaS
Event ticketing at a flat fee, not a % of the sale.
$6.6M
Estimate · revenue, 2024 (est)
No audience network — bring your own crowd.
★ The edge: Flat $0.30-$0.85 a ticket, never a % of price. An $80 ticket costs cents here vs about $7 on Eventbrite.
Open →
Balsamiq
SaaS
Ugly-on-purpose wireframes designers keep paying for
$6.58M
Stated · 2024 revenue
Figma now does low-fi; TAM is shrinking
★ The edge: Wireframes look hand-drawn on purpose: every mockup is instantly recognizable and markets the tool for free.
Open →
Holistiplan
SaaS
Reads a tax return, writes a planning report.
$6.5M
Estimate · est. rev · 39% US share
One feature; big suites could bundle it.
★ The edge: Both founders were advisors; Pine coded it himself. They cut a 45-min review to under a minute.
Open →
MyNewTerm
SaaS
A teacher beat a PE-backed job board at school hiring.
£5M+
Stated · about $6.5M · rev, founder-stated 2026
One country, one sector: UK schools.
★ The edge: Generic job boards sell adverts; MyNewTerm runs the whole school hire with safeguarding compliance built in.
Open →
Missive
SaaS
Collaborative team inbox: email, chat, tasks in one
$6M ARR
Stated · self-funded, no VC
Crowded market of VC-funded rivals.
★ The edge: A sibling badge-printing business funded 4.5 years of building, letting 3 devs out-craft VC-funded Front.
Open →
Sniffspot
Marketplace
Airbnb for dogs: rent a private yard by the hour.
$6M
Stated · 2025 revenue (2x YoY)
Cloneable software — density is the only moat
★ The edge: Repeat marketplace founder who cracked two-sided cold-start at 2nd Address, then aimed it at a category no one saw.
Open →
Osano
SaaS
Owns the web's cookie banner, sells the paid platform.
$5.9M
Estimate · Est. ARR 2024 (Latka)
Widget is commodity; OneTrust is far bigger.
★ The edge: Bought a cookie banner already on millions of sites, then let inbound demand build the paid privacy platform.
Open →
Ratsit
Data
Swedish tax data is public. Ratsit sells the search.
SEK 56.2M
Filed · about $5.8M · FY2025 revenue, 6 staff
One law change ends the whole model.
★ The edge: A constitutional publishing licence puts Ratsit's database outside GDPR, so nobody can demand deletion.
Open →
iDenfy
SaaS
Identity checks you pay for only when they pass.
€5.25M
Filed · FY2025 · LT filing (-13%)
Thin layer on a mandate; low pricing power.
★ The edge: Only KYC vendor that bills per approved check, not per attempt — cuts onboarding cost up to 70%.
Open →
TitleCapture
SaaS
Branded title-quote apps that win agent loyalty
$5.6M
Estimate · ARR · founder-reported '24
Finite US title niche, cyclical with housing.
★ The edge: One underwriter's sales manager introduced them to every affiliated agency — 1 to 150 customers in year one, zero CAC.
Open →
Flowcase (ex CV Partner)
SaaS
The CV tool consultancies renew 98% of the time.
$5.5M ARR
Stated · ARR, founder-stated (2024)
AI proposal tools could absorb the niche.
★ The edge: Turned a manual Word chore — building consultant CVs for tenders — into a bid tool firms won't drop.
Open →
Woodpecker.co
SaaS
The email hack they built for themselves went public.
$5.5M
Stated · 2024 revenue, official
A Gmail policy change can gut deliverability.
★ The edge: Sends cold email one-by-one from your own inbox with human-like pacing, so messages land in the inbox, not spam.
Open →
Less Annoying CRM
SaaS
The anti-Salesforce CRM for small business.
$5.4M
Estimate · 2024 rev · founder-stated
Simple CRM is easy to copy; low lock-in.
★ The edge: One flat $15/user price, no tiers, no lock-in, and real people answer support — rare in a CRM market.
Open →
SelectSoftware Reviews
Ad
HR-tech reviews. Vendors pay per high-intent lead.
$5.3M
Estimate · est. revenue (Latka, 2024)
Traffic lives and dies by Google's algorithm.
★ The edge: Ex-Bessemer VC who'd already built an HR SaaS. He knew the vendors and exactly what buyers were Googling.
Open →
UX Pilot
SaaS
AI design, sold straight into a 600K-reader newsletter.
$5.3M ARR
Stated · ARR, bootstrapped, 2/2026
AI design is crowded and churn-prone.
★ The edge: Adam Fard spent years building a UX-studio brand and a 600K newsletter; UX Pilot launched into demand he already owned.
Open →
Boardroom Insiders
Data
Deep C-suite dossiers, licensed to B2B sales teams.
$5M
Stated · ARR at $25M exit
Hand-written data; scaling means hiring.
★ The edge: 14 years and a 25-person research team built 29,000 deep exec profiles rivals couldn't scrape or fake.
Open →
CinchShare
SaaS
A stay-at-home mom's scheduler for direct sellers.
$5M+ ARR
Stated · founder-stated, Jan 2020
One niche, and Facebook controls the API.
★ The edge: Hootsuite serves every marketer. CinchShare serves one: a direct seller posting to Facebook groups all day.
Open →
Ebsta
SaaS
Rivals raised $1B+. Ebsta bootstrapped to $5M ARR.
$5M ARR
Estimate · ARR, 2024 · bootstrapped
Small budget against billion-dollar rivals.
★ The edge: Bootstrapped to about $5M ARR with 30 people while Gong, Clari and Outreach burned $1B+ on the same buyer.
Open →
EverBee
Data
Estimates what any Etsy listing earns — live.
$5M
Stated · ARR (founder-stated)
Estimates only — Etsy hides real sales.
★ The edge: A free Chrome overlay that lives on Etsy and reveals the one number Etsy hides: estimated sales per listing.
Open →
I
InsuredMine
SaaS
The CRM layer agents add to their agency system.
$5M
Stated · ARR, founder-stated
Sits atop an AMS it doesn't own.
★ The edge: Bootstrapped on $40K. An India dev team owns all the code and ships 600-700 features a year legacy rivals can't match.
Open →
InvoiceASAP
SaaS
$9/mo invoicing app, now $80/mo on embedded payments.
Just under $5M
Stated · annual rev, SaaS + payments
Payment partners can change terms anytime.
★ The edge: Owns the payments, not just the invoice, so it earns a cut of every job instead of a flat monthly fee.
Open →
M2M in Motion
SaaS
Financed the GPS box so small fleets paid $0 upfront
$5M+
Stated · revenue at 2021 exit
Thin software moat vs funded giants' scale
★ The edge: Sold to small fleets the funded giants ignored; financed the GPS box so a 5-truck shop paid nothing to start.
Open →
MoveitPro
SaaS
Movers ran on typewriters. He sold them the fix.
$5M ARR
Stated · founder-stated ARR, Nov 2022
Biggest lead source is $10K/mo of Google ads.
★ The edge: Third-generation mover. He funded five years of development out of the family moving company's profits.
Open →
Numeral
SaaS
One 2018 ruling made sales tax hell. Numeral eats it.
$5M
Estimate · ARR, 2025 (co-provided)
Merchant-of-record tools can absorb the need.
★ The edge: Rivals sell tax software. Numeral files for you: AI tracks 11,000 jurisdictions, staff answer the state mail.
Open →
REsimpli
SaaS
A real-estate wholesaler built the CRM he needed.
$5M+ ARR
Estimate · 2024, self-reported
One niche, US-only, tied to the flip cycle.
★ The edge: All-in-one OS for real-estate investors: CRM, dialer, skip tracing, direct mail, accounting — one login, one bill.
Open →
ScrapingBee
Dev
Two devs SEO'd a scraping API to a $5M exit.
$5M ARR
Stated · at 2025 exit, team of 6
A proxy wrapper a dev clones in a weekend.
★ The edge: 99% of revenue came from SEO. They out-wrote every rival, so devs Googling a scraping problem found them first.
Open →
smrtPhone
SaaS
Built for one CRM's users, not for everyone
Nearly $5M ARR
Stated · ARR stated on podcast, 2023
Customer count looks flat since 2023
★ The edge: Rivals bill per seat. smrtPhone bills per account: $62/mo covers 10 users, $104/mo unlimited.
Open →
SnapNHD
Data
A state law makes every home sale buy this report.
$5M
Stated · revenue before ICE deal
Half the business rides on one state's law.
★ The edge: Demand is written into California Civil Code 1103 - the seller cannot legally skip the report.
Open →
WebMerge
SaaS
Solo, $5M ARR, sold for $100M.
$5M+ ARR
Stated · ARR at sale · one employee
One narrow job a platform could absorb.
★ The edge: It lived in other apps' add-on marketplaces, so it grew on their distribution while one person kept the margins.
Open →
WeSuite
SaaS
Quoting software for security-system installers.
$5M
Stated · 2024 revenue · cash exit
Tiny niche: 16 years to reach $5M.
★ The edge: Ex-integrators built the one quoting tool that models security installs, recurring monitoring and commissions.
Open →
ClinicSense
SaaS
One tab for a massage therapist's whole practice.
$416K/mo
Stated · self-reported monthly
Crowded category, low ACV, niche TAM.
★ The edge: Won a crowded booking market by selling the outcome therapists want — clients rebooking — not just admin.
Open →
DashThis
SaaS
Bought out the CEO, then sold for low 8 figures
$4.7M
Stated · revenue at 2023 sale
One narrow job in a crowded reporting market.
★ The edge: Priced by dashboard count, not seats — an agency with 25 client reports pays for 25, and upgrades as it wins clients.
Open →
Userflow
SaaS
Onboarding SaaS. 3 people. $60M exit.
$4.6M
Stated · ARR at Beamer sale (2024)
Crowded onboarding category, thin moat
★ The edge: Ran $4.6M ARR on 3 people. Revenue-per-employee that high is what a strategic buyer pays a 13x premium for.
Open →
hellotax
SaaS
Two Amazon sellers turned EU VAT pain into a SaaS
$4.2M
Estimate · est. revenue, 2025
Human accountant layer caps scaling.
★ The edge: Amazon stores your stock abroad, so EU law forces you to VAT-register there — no threshold, no opt-out.
Open →
Baremetrics
SaaS
Subscription analytics run in public, sold for $4M.
$4M
Stated · All-cash sale '20, 2.65x ARR
Slow growth capped the exit at 2.65x ARR.
★ The edge: Ran a live public MRR dashboard for years - buyers verified revenue and churn before due diligence began.
Open →
C
ClickClaims
SaaS
The claims desk for storm-chasing insurance adjusters.
$4M+
Stated · ARR · 50 accounts
Tiny buyer pool, revenue rides the storms.
★ The edge: A claims adjuster who'd already built claims software inside a big firm — he knew the workflow before line one.
Open →
LawLytics
SaaS
A lawyer sold to lawyers, slowly, to $4M ARR.
Over $4M ARR
Stated · at 2021 exit, pre-buyout
Slow by design: 9 years to $4M ARR.
★ The edge: A practicing lawyer sold to lawyers, so peer trust closed firms — and a paid SEO-content service funded the software.
Open →
Tally
SaaS
The beautiful form builder that stays free.
$4M
Stated · ARR, bootstrapped (2025)
Zero moat — a form builder is easy to copy.
★ The edge: 99% free forever — unlimited forms and responses where Typeform gates them. The free tier is the growth engine.
Open →
TaskMagic
SaaS
Made a no-code tool buyable, then took a 7-figure exit.
$4M
Stated · total revenue, exited
Thin moat; grew on one-time lifetime deals
★ The edge: No-code automation for non-coders; recorded tasks become workflows. Sold on Acquire.com for mid-seven figures.
Open →
Valkre
SaaS
The account plan, out of PowerPoint and into software.
Beyond $4M ARR
Stated · KAM software subscriptions
Slow category to build; the niche is small.
★ The edge: Valkre wraps the SAMA method KAM teams already train on, so enterprises trust the tool before the demo.
Open →
Whispli
SaaS
The whistleblower who built the whistleblowing app.
$4M
Estimate · ARR · 2024 (Latka est.)
Crowded field; features commoditize fast.
★ The edge: Founder caught a $20.7M fraud himself, reported it to his CEO, then built the reporting tool he wished he'd had.
Open →
Cronometer
Data
The accuracy-obsessed answer to MyFitnessPal.
$3.8M
Estimate · Latka estimate, 2024
Free apps count calories fine for casuals.
★ The edge: Food data from lab-verified USDA and NCCDB databases, not crowd entries, so every number earns trust.
Open →
IPinfo
Data
Gave the IP API away. Sold the data underneath.
$3.7M/yr
Estimate · bootstrapped, no VC
free rivals cap the low-end price
★ The edge: A free API pulled in developers; owning the data — measured, not resold — is what enterprises now pay for.
Open →
Wall Street Oasis
Community
Free finance forum that sells interview courses.
$300K/mo
Stated · founder-stated · 2020
⚠ Control low
rides on Google traffic
rides on Google traffic
★ The edge: A forum earns pennies on ads; he stacked a niche ad network + paid courses on the same audience.
Open →
Distro
SaaS
Bootstrapped to $3.5M ARR, then sold lean.
$3.5M ARR
Stated · ARR at sale to Vensure
AI recruiting is crowded and commoditizing.
★ The edge: 14 people, about $3.5M ARR, no investors: clean books a strategic buyer could underwrite fast.
Open →
HostiFi
SaaS
He charges MSPs to run software Ubiquiti gives away
$3.5M ARR
Estimate · ARR, founder blog 2025
The vendor now hosts it from $29/mo
★ The edge: Ubiquiti gives the controller software away free. HostiFi sells the part MSPs hate: servers, updates, backups, 2am.
Open →
Hudu
SaaS
The docs tool MSPs flee IT Glue for.
$3.5M
Estimate · Est. ARR, 2024
Entry: Low
free OSS clone exists
free OSS clone exists
★ The edge: When Kaseya bought IT Glue and hiked prices, Hudu became the escape route the r/msp exodus took.
Open →
Canny
SaaS
Two ex-Facebook founders. One feedback tool. No funding.
$3.4M
Stated · ARR, bootstrapped
Easy to clone; a dozen cheaper rivals.
★ The edge: A designer-engineer couple left Facebook and built a $3.4M product-feedback SaaS with 17 people and $0 raised.
Open →
Geocaching.com
Community
A GPS treasure hunt, sold as a subscription.
3.4M+
Stated · active geocaches worldwide
Unpaid volunteers keep the whole map alive.
★ The edge: Users hide and maintain every cache free; Groundspeak owns the one global database and charges to search it well.
Open →
Quickli
SaaS
50 lenders' loan calculators, one broker tool.
A$5M
Stated · ARR · about US$3.3M
Borrowed lender logic, one-country ceiling
★ The edge: A working broker + an engineer killed re-keying each client into 50 lender calcs. The broker network spread it free.
Open →
Datawrapper
Data
Gave charts away free, became the newsroom standard.
$3.2M ARR
Estimate · est. ARR (Latka, 2025)
Design giants can bundle charts free.
★ The edge: Built for one job: charts a newsroom can embed in seconds, free until the whole staff depends on it.
Open →
PerformLine
SaaS
It reads your affiliates' ads before the regulator does.
$3.2M
Estimate · 2021 ARR, self-report
Demand rises and falls with enforcement.
★ The edge: Brands are liable for affiliate ads they never see. PerformLine auto-discovers those hidden channels and scores them.
Open →
Rezi
SaaS
Bad grades, great resume. Now $259K a month.
$259,535 MRR
Estimate · Stripe-verified MRR
Traffic leans on one keyword cluster.
★ The edge: First resume builder to ship GPT-3, in December 2020 - two years before ChatGPT made it a category.
Open →
BoomCloud
SaaS
Turns dental practices into subscription businesses.
$3M
Stated · ARR (2026)
Crowded field; a free giant, Kleer, looms.
★ The edge: A dental-lab insider selling the one workflow incumbents skip: memberships that free practices from insurance.
Open →
ComplyCube
SaaS
Bootstrapped the KYC check every fintech must run.
$3M
Estimate · 2024 ARR (Latka)
IDV commoditizes; Stripe/Plaid bundle it free
★ The edge: Bootstrapped AML/KYC checks the law forces every fintech to run — self-serve API undercuts VC giants Onfido, Sumsub.
Open →
EmailOctopus
SaaS
The Ryanair of email marketing
$3M+
Stated · ARR · founder-stated 2023
Anyone can wrap SES; price is the only moat
★ The edge: A simple UI on Amazon SES: send a million emails for under $100, undercutting Mailchimp with no mail servers to run.
Open →
Gymdesk
SaaS
Gym software a black belt built to beat MindBody
$3M
Stated · ARR before 2024 exit
Crowded field; flat pricing is easy to copy.
★ The edge: Flat price by member count, every feature in — the opposite of the upsell maze gym owners hated.
Open →
HypeProxies
Dev
Proxies that let bots cop hyped sneakers. $3M/yr.
$3M/yr
Estimate · annual, founder-stated
Lives and dies on the resale-bot economy.
★ The edge: Tuned US ISP IPs that beat retail checkout bots — a niche the enterprise data giants never bothered to serve.
Open →
Kintsugi
SaaS
Wayfair forced US sellers to file. They automate it.
$3M
Stated · 2024 annual revenue
Vertex is both its investor and its rival.
★ The edge: Since Wayfair (2018), any seller crossing a state's threshold must register and file there — or owe back taxes.
Open →
Left Main REI
SaaS
Salesforce quoted $100K. She learned to code instead.
Nearly $3 million ARR
Stated · Dec 2023, no funding taken
On Salesforce, so Salesforce sets the rules.
★ The edge: A nurse practitioner who flipped houses built the CRM on Salesforce herself, then sold it to investors like her.
Open →
Quaderno
SaaS
When the EU rewrote VAT, Quaderno sold the fix.
$3M
Estimate · est. ARR near 2023 exit
Control low
Stripe can bundle the tax layer
Stripe can bundle the tax layer
★ The edge: Sat inside Stripe's checkout, so it already owned the exact data the new VAT law made legally mandatory.
Open →
Rella
SaaS
Made $0 on creators. Pivoted to teams, hit $3M.
$3M ARR
Stated · ARR run-rate · 4 staff
Growth leans on her personal audience.
★ The edge: She owns a 300K+ YouTube channel of her exact buyers, so signups come free where rivals pay for every lead.
Open →
SerpApi
Dev
The SERP API that quietly became AI's search backend.
$3M/yr
Estimate · Est. ARR (third-party)
⚠ Control low
rents its data
rents its data
★ The edge: A boring 2017 SERP-scraper is now the live-search feed for AI labs — pickaxes sold into the gold rush.
Open →
Silktide
SaaS
The free accessibility checker that upsells compliance.
$3M/yr
Estimate · 2024 ARR (Latka est.)
Axe and AI commoditize the core scan.
★ The edge: Twenty years of free scanners built the top-of-funnel; regulation (EAA, ADA) now forces every site through it.
Open →
Social Snowball
SaaS
Turn a brand's own customers into paid affiliates.
$3M FY24, +200%
Filed · FY24, in acquirer's filing
Rides Shopify; platform sets the rules.
★ The edge: One-click turns any buyer into an affiliate; deep Shopify hooks make rivals feel bolted-on.
Open →
Vacation Tracker
SaaS
PTO tracking built inside Slack, not bolted on.
$3M
Stated · ARR, founder-stated
Thin, cheap feature an HRIS can bundle free.
★ The edge: Built Slack-first: request and approve leave without leaving the chat app teams live in all day.
Open →
Towbook
SaaS
Dispatch, impound and billing for tow companies.
$2.9M
Estimate · Est. ARR 2024 (Latka)
Niche TAM ceiling; the code is copyable
★ The edge: Run a tow company's dispatch, impounds and billing through one app and switching costs quietly become the moat.
Open →
Booqable
SaaS
One booking OS for any rental business.
$2.8M
Estimate · est. ARR (Latka, 2025)
A fragmented long tail; low ACV, slow scale.
★ The edge: They ran the Netherlands' No.1 rental chain first, then sold the exact software that got them there.
Open →
Interact
SaaS
Quizzes that turn site visitors into email leads.
$2.75M ARR
Stated · bootstrapped, 2023
Quizzes: a feature giants can bundle
★ The edge: A decade ranking for 'quiz maker' and wiring every email tool, profitable throughout, outlasting funded rivals.
Open →
Mangools
Data
Pretty, half-price SEO data that out-charms giants
$2.7M/yr
Stated · founder-stated, 2018
Rents its keyword data; cheap is copyable
★ The edge: A market of ugly $130/mo incumbents (Ahrefs, Semrush); one Slovak dev shipped a beautiful $29/mo tool people love.
Open →
eRank
SaaS
SEO keyword data for sellers Etsy keeps blind.
$2.6M
Estimate · est. ARR, self-funded
Control low
on Etsy's rented land
on Etsy's rented land
★ The edge: A free keyword tier gave data-starved Etsy sellers what Etsy hid, then upsold a slice at $6-30/mo.
Open →
MyExpatTaxes
SaaS
File US taxes from abroad — flat fee, not a CPA bill.
$2.5M
Estimate · revenue · 2021
⚠ Scale capped
about 9M expats, seasonal
about 9M expats, seasonal
★ The edge: consumer tax software ignores the expat-only forms (2555, FBAR, 8938) — this was built around exactly those.
Open →
Prerender.io
Dev
Google can't read JS sites. He hosted the fix.
$2.5M ARR
Stated · founder-stated, at exit
Thin margins; SSR frameworks erase the need.
★ The edge: Open-sourced the code — 24k day-one visitors, free marketing — then sold the hosted version nobody wants to run.
Open →
Cometly
SaaS
$53.8K MRR in its first week — one affiliate.
$208,270 MRR
Estimate · verified MRR (Stripe)
Lives or dies on ad-platform data access.
★ The edge: Bootstrapped, built for B2B SaaS while VC rivals chase e-commerce; launched via a partner's audience, not slow content.
Open →
Sharetribe
SaaS
The no-code platform behind 1,000+ marketplaces.
$2.4M
Stated · ARR (2023, founder)
No-code ceiling: buyers outgrow it and churn.
★ The edge: Ran a marketplace before selling the tool to build one — operator instincts rivals lack, plus a vow never to sell.
Open →
ZenMaid
SaaS
Booking software for maid services, and only them.
$200K MRR
Stated · founder-stated, 2024
Tiny, price-sensitive niche caps the ceiling.
★ The edge: He ran a maid service before building the tool, so he knows the exact workflows generic field-service apps miss.
Open →
Freemius
Dev
Plugin devs sell; Freemius handles tax and billing.
$2.3M
Estimate · ARR (est., Latka 2025)
Best customers have the most reason to leave.
★ The edge: He sold his own WP plugin and spent a year on billing, tax and licensing — so he built the layer other devs now rent.
Open →
Equipe
SaaS
Europe's horse shows run on a three-person company
SEK 22.6M
Filed · about $2.2M · FY25 turnover, filed
Near-total at home, so fee rises make news
★ The edge: In 2015 it dropped the flat fee and billed about EUR 1 per start. Small clubs could afford it; Europe adopted it.
Open →
Fatture in Cloud
SaaS
Student built invoicing. Then Italy made it law.
€2M+
Stated · $2.2M+ · 2017 rev, +100% YoY
Moat is Italy-shaped; won't cross borders.
★ The edge: Italy-only compliance depth + TeamSystem's accountant channel, as a 2019 law forced every VAT business to e-invoice.
Open →
Moraware
SaaS
The default software for countertop fabrication shops.
$2.2M
Estimate · ARR, Latka est. 2025
Countertop-only market caps growth.
★ The edge: A co-founder's brother ran a countertop shop, so v1 was built inside a real fabricator's daily workflow.
Open →
Usersnap
SaaS
Screenshot and annotate bug reports for product teams.
$2.2M
Stated · annual rev · 2023 exit
⚠ Entry low
crowded feedback niche
crowded feedback niche
★ The edge: A serial exiter joined in 2018 and made growth run on SEO, not founders — exactly what aggregators buy.
Open →
Alosant
SaaS
White-label the app; every community renews
$2M ARR
Stated · ARR, bootstrapped · 2022
Small TAM: master-planned communities only.
★ The edge: White-labeled under each community's brand on 3-5 year deals, so residents adopt fast and developers rarely churn.
Open →
Coffee & Contracts
SaaS
The marketing team realtors rent for $74 a month.
$2M/yr
Stated · 2021, founder-stated
Templates rivals can copy in a weekend.
★ The edge: She was the customer — a broke agent selling the exact Instagram templates that got her out of bartending.
Open →
CoinLedger
SaaS
Every crypto trade is taxable. They rank #1 for it.
$2M+ ARR
Stated · bootstrapped pre-VC round
Revenue swings with the crypto price cycle.
★ The edge: The tax law creates the search; CoinLedger owns it - ranking #1 for 'crypto taxes' instead of buying ads.
Open →
CrazyLister
SaaS
Top eBay sellers sold their listing craft as software.
$2M/yr
Estimate · peak rev; eBay market fell
Rises and falls with eBay's seller base.
★ The edge: They were award-winning eBay sellers before they were founders, so the templates carry real selling know-how.
Open →
DripJobs
SaaS
The CRM a painting contractor built for his own trade.
$2M
Estimate · 2025 revenue (est.)
Audience edge stops in trades he's unknown.
★ The edge: A painting contractor built the CRM for his own trade — and already had the contractor audience to sell it to.
Open →
GoProposal
SaaS
Proposal and pricing software for accountants.
£1.5M
Stated · $2M · ARR · 2021 exit
⚠ Scale capped
one vertical, UK-first
one vertical, UK-first
★ The edge: The product was a £4,000 ($5K) WordPress plugin — the moat was owning the accountants' attention first.
Open →
Product Fruits
SaaS
A game designer's onboarding psychology, sold as SaaS.
Past $2M ARR
Stated · founder-stated, 2026
Crowded category, low switching costs.
★ The edge: One affordable, all-in-one adoption suite from $96/mo, aimed at the SMBs that WalkMe and Pendo price out.
Open →
Publer
SaaS
Bootstrapped scheduler that nearly folded twice
$2M ARR
Stated · 2024 sales, bootstrapped
Thin moat; scheduling is a crowded commodity.
★ The edge: Built-in distribution: one of two Facebook apps he already owned was profitable, probably seeding Publer's first users.
Open →
Scrapingdog
Data
One API call scrapes any site. SEO built the funnel.
$2M ARR
Stated · self-reported (Dec 2025)
Every target site can detect and block you.
★ The edge: Years of SEO: hundreds of 'how to scrape X' guides rank on Google, so buyers arrive pre-sold and CAC stays near zero.
Open →
Wynter
Data
Ask your exact B2B buyers, get answers in 48 hours.
$2M+ ARR
Stated · founder-stated, 2023
The owned panel is both moat and bottleneck.
★ The edge: Rented panels were full of fraud, so Wynter built its own vetted B2B panel from CXL's marketing audience.
Open →
Savvy Navvy
SaaS
Google Maps for boats — a sailor's fix for clunky charts
£1.5M ARR
Stated · about $1.9M · ARR, end 2022 (self-report)
Chart data is licensed; rivals own the helm.
★ The edge: A Google routing engineer turned hours of chart-plotting into one tap; boaters funded the app five times over.
Open →
MrScraper
Dev
Bought a broken scraper for its traffic, not code.
$150K+/mo
Stated · founder-stated, Feb 2025
Commodity scraping market, low moat.
★ The edge: Its SEO traffic proved demand before he paid a cent — he bought validation cheap, then rebuilt to convert it.
Open →
Studio Ninja
SaaS
The CRM a wedding photographer built for himself.
$1.8M/yr
Stated · about 7,000 subs, pre-exit
Tied to one niche; later sold to a roll-up.
★ The edge: Ten years shooting 60+ weddings a year made him his own ideal buyer; he pre-sold 100 lifetime seats before writing code.
Open →
Sudowrite
SaaS
The AI writing partner built only for fiction.
$1.8M
Estimate · ARR est.; profitable
Its core AI is rented from frontier labs.
★ The edge: The one creative niche most AI tools anger — fiction writers — served by founders who are published novelists.
Open →
Barn2 Plugins
SaaS
WooCommerce plugins built from client requests
$1,786,586
Stated · 2025 revenue, self-reported
New sales fell 17.8%; growth nearly flat.
★ The edge: Free WordPress.org versions convert to paid; 61% of revenue is renewals; publishes exact numbers yearly.
Open →
Songstats
Data
An artist's numbers from 14 platforms, one dashboard
$145K/mo
Stated · self-reported MRR
Every number is borrowed from platform APIs.
★ The edge: It combines 14 music services into one view; most rivals track fewer or gate breadth behind higher tiers.
Open →
Mobbin
Data
Real app UIs, hand-tagged so designers can search them
$1.6M
Estimate · 2024 ARR, estimate
The moat is manual labor that never ends.
★ The edge: Rivals post single screenshots; Mobbin hand-records entire multi-screen flows, tagged by pattern and refreshed weekly.
Open →
Sufio
SaaS
Shopify's invoices aren't legal. Sufio's are.
$1.6M
Estimate · 2024 rev · est. (Latka)
Rents its whole house on Shopify.
★ The edge: Turns Shopify's generic invoices into per-country, accountant-validated tax documents that survive an audit.
Open →
Publisher Rocket
Data
Amazon keyword research authors buy once.
$130K/mo
Stated · Jul 2021, founder-stated
Time low
one-time sale, no recurring
one-time sale, no recurring
★ The edge: One-time $199, no subscription — sold to the free audience its sister blog Kindlepreneur already owned.
Open →
PropertyData
Data
Enterprise property data, unbundled to £14 a month.
$1.54M
Stated · ARR · founder-stated 2022
Cheap tiers, capped revenue per user.
★ The edge: Sells UK property market data to small investors at £14-60/mo, a fraction of the £500+/mo enterprise tools charge.
Open →
Castos
SaaS
Podcast hosting sold through a free WordPress plugin
just under $1.5M
Stated · ARR (2021, stated)
Commodity hosting; giants bundle it free.
★ The edge: Bought an unloved free WordPress plugin and grew it to 30K+ podcasts — each one a hosting lead.
Open →
Contentpace
SaaS
SEO content tool that sold fast on Acquire.com
$1.5M
Stated · lifetime rev, LTD-heavy
Lifetime deals left thin recurring MRR
★ The edge: Content-brief builder shaped by user pain, not rival headlines; a giant AppSumo LTD brought in 4,000 paying teams.
Open →
FaceUp
SaaS
School bullying app the law turned into B2B.
$1.5M+
Stated · ARR, company-stated
A reporting form is trivial to clone.
★ The edge: A school anti-bullying app that the EU Whistleblowing Directive turned into a paid corporate compliance product.
Open →
Happierleads
SaaS
Solo founder unmasks web visitors, $1.5M ARR, 0 staff
$1.5M ARR
Stated · ARR, solo, bootstrapped
Built on a third-party data source he rents
★ The edge: Owns the data source and the sending inboxes, so cold email costs him almost nothing to run at scale.
Open →
Seats.aero
Data
The award-flight search engine airlines sued.
$1.5M ARR
Stated · end 2023 · founder
Airlines can block or sue the data feed.
★ The edge: A lone security researcher scrapes the award data airlines hide, and rents it back at $9.99/mo.
Open →
SparkToro
Data
The moat was the founder's audience, not the code.
$1.5M
Stated · ARR · yr-2 (2022)
⚠ Scale capped
niche market by design
niche market by design
★ The edge: The founder arrived with a ready-made marketing audience, so 200 people sign up free every day - zero ad spend.
Open →
Zigpoll
SaaS
Analytics show the what; Zigpoll asks buyers the why.
$125K MRR
Stated · run rate about $1.5M ARR
One platform: most signups come via Shopify.
★ The edge: One-click Shopify install puts the survey inside checkout; a third of signups arrive free from the app store.
Open →
Modern Producers
Marketplace
He made the hits. Now he sells the sounds.
$120k/mo
Stated · monthly revenue, 2020
Shopify store; vendors keep the rights
★ The edge: Multi-platinum credits for 50 Cent and Wu-Tang. Producers trusted his ear, so vendors brought him their kits.
Open →
Vendoo
SaaS
One upload. Ten marketplaces. Zero retyping.
$1.4M
Stated · 2020 revenue (reported)
Rides on marketplaces that can ban it.
★ The edge: Founder resold since 2007, built the cross-poster he needed, then grew via reseller YouTubers with the same pain.
Open →
WP Umbrella
SaaS
One dashboard to run every client's WordPress site.
$110K/mo
Stated · MRR · 2025
⚠ Entry low
easy to clone
easy to clone
★ The edge: Won the crowded WP-care market on transparent per-site pricing plus obsessive backup reliability.
Open →
CloudSpot
SaaS
Photo-delivery galleries pros sell prints through
$1.2M/yr
Estimate · 2024 revenue, est.
Commoditized galleries; free rivals abound
★ The edge: Founder shot weddings for a decade - the product speaks fluent photographer, and the community already trusts him.
Open →
Ministry of Testing
Community
Where software testers gather, learn, and get hired.
$1.2M
Stated · a year (2019, stated)
Revenue leans on in-person conferences.
★ The edge: A free 2007 forum grew into testing's biggest community; she monetized the trust later via conferences and courses.
Open →
Storeganise
SaaS
Ran a storage business, sold the software instead.
$1.2M
Estimate · est. ARR, bootstrapped
Tiny TAM; giant Storable could copy it.
★ The edge: Built the software to run their own valet-storage firm, then sold it to operators in 50 countries.
Open →
TutorCruncher
SaaS
Scheduling, billing and payments for tutoring firms.
$1.2M
Stated · ARR (2021)
Small niche; limited by tutoring-agency TAM.
★ The edge: The co-founder is Pydantic's creator — that engineering caliber let a bootstrapped team out-build clunky incumbents.
Open →
Tweet Hunter
SaaS
Twitter growth tool, sold to its power user.
$100K MRR
Stated · at 2022 lempire sale
100% dependent on Twitter/LinkedIn APIs.
★ The edge: Built in public on X to 115K followers, so the audience that grew the product also included the buyer who used it daily.
Open →
Zen Arbitrage
SaaS
He built the audience, then sold them the tool.
$90K/mo
Stated · MRR at 2022 exit
Rides Amazon's price gap; guru-led.
★ The edge: Built the buyers before the product: years of book-arbitrage courses meant the $97/mo tool launched to a waiting list.
Open →
4 Day Week
Ad
The job board for 4-day weeks — now a 500K audience.
$1M/yr
Estimate · est.; solo, ad-funded
Leans on one trend and Google's goodwill.
★ The edge: A search-retrieval PhD out-SEO'd job giants by owning one query nobody fought for: '4 day week jobs'.
Open →
AuditMiner
SaaS
She audited 401k plans for 15 years, then automated it
$1M ARR
Stated · ARR (2022, last stated)
Only US CPA firms doing ERISA plan audits
★ The edge: She had done the job by hand for 15 years, so she knew which steps were worth parsing and which auditors would pay.
Open →
Autoklose
SaaS
A cold-email tool sold at 5x by owning its database.
$1M revenue
Stated · revenue at 2020 exit
Deliverability it can't fully control.
★ The edge: Rivals sold software and made reps bring their own list. Autoklose bundled a 40M-contact database into the app.
Open →
Beeminder
SaaS
The habit tracker that charges you when you fail.
$1M
Estimate · ARR (2024, est.)
Paying to be punished repels the masses.
★ The edge: Rivals sell success. Beeminder gets paid the moment you fail — your own procrastination is the meter.
Open →
BetaList
Marketplace
The startup directory that charges you to skip its line.
$1M
Stated · cumulative over 10 years
Entry low
directory = a weekend clone
directory = a weekend clone
★ The edge: Turned its review backlog into 70% of revenue by charging startups to skip the queue.
Open →
BoosterHub
SaaS
One login replaces the 18 a booster club juggles.
$1M
Stated · ARR, founder-stated
Tiny niche; volunteer buyers churn yearly.
★ The edge: She was the exact customer — a booster-club president — with 30 years of high-touch sales behind her.
Open →
Carrd
SaaS
A one-page site builder — 4M+ sites, nearly solo.
$1M+ ARR
Stated · ARR · founder-stated
Trivial to clone · low switching cost
★ The edge: too simple to misuse — a $19/yr one-page tool run solo, with a viral 'Made with Carrd' footer.
Open →
EssayGrader
SaaS
Bought a $5K/mo grader. Now 100,000 teachers use it.
$1M ARR
Estimate · on track, Jul 2025
AI essay grading is trivial to clone
★ The edge: The builder proved teachers would pay. Chan, an ex-teacher, added what the builder lacked: reach into classrooms.
Open →
Featurebase
SaaS
A cheaper Canny that ranks for "Canny alternative."
$1M+
Stated · ARR, 2025 (bootstrapped)
Board is a weekend clone; SEO is rentable.
★ The edge: Can't defend a voting board, so they defended distribution: undercut Canny and ranked for every rival's name.
Open →
Fomo
SaaS
Social-proof popups, bought with the app's own cash.
$1M+ ARR
Stated · peaked $1.3M, sold 2022
Social proof is a commodity; low moat.
★ The edge: Recurring MRR let Kulp buy a $180K/yr app with near-zero cash down; integrations and brand made the later sale clean.
Open →
Leadmore AI
SaaS
Reddit leads, minus the account bans.
$1M ARR
Stated · run-rate (self-stated)
Reddit can ban the managed pool at once
★ The edge: Rivals reply from your account. Leadmore posts from its own aged pool — a ban hits Leadmore, not you.
Open →
Lemon Squeezy
SaaS
The merchant of record that files sales tax for sellers.
$1M ARR
Stated · 9 months after 2021 launch
Thin layer on Stripe · no owned rails
★ The edge: not a payments tool but a liability shield — it files every country's sales tax for you.
Open →
Papermark
SaaS
Open-source DocSend — share decks, track every view.
$1M+
Stated · ARR · 2025 · disclosed
⚠ Entry low
code is forkable, moat is SEO
code is forkable, moat is SEO
★ The edge: DocSend's core was never secret — Papermark open-sourced it, gave it free, then charged teams for data rooms.
Open →
Pckgr
SaaS
The most boring SaaS on the internet, at $1M ARR.
Over $1M ARR
Stated · ARR, bootstrapped
Microsoft could fold it into Intune.
★ The edge: Enterprise Intune tools priced out small shops. Pckgr sells the same packaging automation from $49/mo.
Open →
Photopea
Ad
A free Photoshop clone. One dev. $100K/mo in ads.
$1M/yr
Stated · ads, founder 2020-21
Bus factor 1; ad rates set his income.
★ The edge: Runs 100% in your browser tab — near-zero server cost turns 6-cent ad-hours into 90%+ margin at global scale.
Open →
Plausible Analytics
Dev
Beat Google Analytics on privacy — fully open-source.
$1M+
Stated · ARR · public
Crowded field · GA is free
★ The edge: trust is the product here — so they open-sourced everything (MIT), and let GDPR rulings drive the demand.
Open →
Printavo
SaaS
A screen printer built the software his shop needed
$1M+ ARR
Stated · founder-stated, 2017
Thin tech moat — a dozen lookalike rivals
★ The edge: He ran a screen-print shop first, then built the tool for his own order chaos — an insider selling to insiders.
Open →
ProjectionLab
SaaS
Plan your whole financial life, no bank linking
$1M ARR
Stated · MRR $83.3K · Jun 2025
Manual entry; audience caps at money nerds
★ The edge: Charges for what rivals give free — because never linking or selling your data is what money nerds pay for.
Open →
RepairDesk
SaaS
The POS a phone-repair shop runs all day on.
$1M+ ARR
Stated · founder-stated (2020)
Finite, softening repair-shop TAM.
★ The edge: Built by a founder off his brother's repair counter - parts, IMEI and warranty flow fit how shops really run.
Open →
Senja
SaaS
Collect testimonials, show them off as social proof.
$1M ARR
Stated · self-reported · Nov 2025
A feature rivals can bundle away for free.
★ The edge: Every embedded testimonial widget carries a 'Powered by Senja' link — each customer's site sells the next one.
Open →
SocialBee
SaaS
The social tool sold by hand before it was built
$1M+ ARR
Stated · founder-stated (2023)
Crowded niche — incumbents copy every feature
★ The edge: Files posts into categories that auto-recycle, so a tiny evergreen library fills the calendar for months.
Open →
Subscribr
SaaS
AI scriptwriter for YouTube, pre-sold before it existed.
$1M/yr
Stated · run rate, founder-stated
Low entry barrier — AI clones everywhere.
★ The edge: Ex-CTO of Seth Godin's Squidoo pre-sold $20K to a warm audience, then shipped an AI script tool fast.
Open →
Termageddon
SaaS
A privacy attorney's policies that update themselves
$1M+
Stated · Partner recurring rev '24
Entry low
AI drafts one free
AI drafts one free
★ The edge: Only policy generator whose founder is a licensed privacy attorney; policies auto-update as laws change.
Open →
Tiiny Host
SaaS
Drag a PDF in, get a live link out. $1M a year.
$1M ARR
Estimate · founder interview, Apr 2026
Every signup arrives via a Google ranking.
★ The edge: Sells hosting to people who never searched for hosting. They searched 'how to upload a PDF'.
Open →
Traffic Think Tank
Community
3 SEO influencers rented out their group chat.
$1M ARR
Stated · sold to Semrush, 2023
Format is free to copy; the audience isn't.
★ The edge: Two founders spent a decade building a 40,000 SEO email list. Launch day was warm: 100 paid seats gone in 72 hours.
Open →
Wappalyzer
Data
Detects any site's tech, then sells the list.
$1M+
Stated · ARR, founder-stated
Closing the OSS core spawned free forks.
★ The edge: The free 2M-user extension crowdsources a live tech dataset rivals must crawl for — data as a byproduct.
Open →
Yardbook
SaaS
Free software for 20,000 lawn crews. 7-person team.
$1M
Estimate · 2024 ARR - Latka estimate
Free model caps revenue: about $1M in 8 yrs.
★ The edge: Hands lawn crews a full ops suite free, then earns on payment fees, a paid tier, and sponsored listings.
Open →
StayFi
SaaS
Airbnb owns the guest. StayFi gives owners the data.
$83.3K/mo
Stated · MRR, about $1M/yr
Hosts can churn once they hold the emails.
★ The edge: Captures guest emails at the WiFi login — the exact data Airbnb and VRBO never let hosts keep.
Open →
Content Snare
SaaS
Chasing clients for files, bottled and sold monthly.
$990K
Estimate · ARR (Latka estimate)
Feature-not-company: a suite could bundle it.
★ The edge: Turned their agency's worst chore, nagging clients for files, into one tool sold to every trade that does it.
Open →
Indifferent Broccoli
SaaS
Private multiplayer servers for survival gamers.
$82,386/mo
Stated · founder-stated
Commodity; churns as each game's hype fades.
★ The edge: Bought a site already page-one for one game ($1,600/mo), then launched a host for every new title.
Open →
Flexiple
Marketplace
Killed the platform, built free tools to get found.
$80K/mo gross
Stated · gross monthly billings
"Gross" billings hide the real take.
★ The edge: Only full-time self-employed devs, hand-matched in 7 days. No job posts, no proposal spam, no star ratings.
Open →
Cults3D
Marketplace
Where 3D designers get paid, not just liked.
$940K net profit
Filed · '23 · 2023 filing, turnover N/A
Free maker-owned platforms own the audience.
★ The edge: Owns no printers, so it stays neutral, and pays designers 80% — pulling pros off makers' free platforms.
Open →
Pallyy
SaaS
Self-taught solo dev out-SEO'd Hootsuite to $74K MRR
$74K MRR
Stated · founder-stated, 2023
Crowded commodity category; social API risk
★ The edge: Undercuts Hootsuite on price, wins Google with 'alternative' pages and free tools. Bootstrapped, no ads, no funding.
Open →
GorillaDesk
SaaS
The pest-control CRM built by a pest tech.
$880K
Estimate · est · fully bootstrapped
Small niche; funded rivals can outspend it.
★ The edge: Priced per route, not per user, so cost tracks the customer's trucks — office staff stay free.
Open →
Testimonial
SaaS
Collect testimonials, embed a Wall of Love.
$800K ARR
Stated · self-reported, 2023
Thin moat: cloned features, easy to switch.
★ The edge: Every free Wall of Love embed carries a 'Powered by Testimonial' link, so customer sites recruit the next customers.
Open →
Pope Tech
SaaS
Bootstrapped shop rents the web's most-trusted scanner.
$770K
Estimate · est. annual revenue
Core WAVE engine is WebAIM's, not theirs.
★ The edge: Built the enterprise layer on WebAIM's court-referenced WAVE engine — rented credibility no ad budget can buy.
Open →
Resellbot
SaaS
One dev owns the search result Poshmark resellers tap.
$756K/yr
Estimate · 2024 ARR (Latka est)
Automates platforms that ban automation.
★ The edge: Ranks #1 for 'Poshmark bot,' a buying-intent keyword rivals ignored, so customer acquisition is free organic search.
Open →
Japan Dev
Marketplace
A dev job board that bills only when you hire.
$62,197/mo
Stated · July 2022, founder-stated
Welded to one country's dev-hiring niche.
★ The edge: Skips the $300-per-post model. Companies pay only when they hire, so listing a job costs them nothing upfront.
Open →
Kleo
SaaS
AI LinkedIn writer sold to its founders' 585K fans.
$62K/mo
Stated · MRR, 3 mo post-relaunch
Commodity AI writer - moat is only the fans.
★ The edge: Its four founders hold 585K LinkedIn followers of the exact buyer. Audience first, product second.
Open →
A
Accountable HQ
SaaS
HIPAA compliance built for SMBs, not hospitals.
$731.2K
Estimate · Revenue '24 · Latka est.
Low moat; funded giants moving down-market.
★ The edge: Enterprise vendors target hospitals; Accountable packaged the same HIPAA program cheap and self-serve for ignored SMBs.
Open →
D
DialHawk
SaaS
An audience turned a me-too tool into a $725K exit.
$725K
Estimate · sold on Flippa · 2.6x rev
Crowded market; software isn't the moat.
★ The edge: 74% margins, 98% retention, near-absentee: support outsourced at $150/mo and zero paid ads.
Open →
GrowthMentor
Marketplace
One flat fee, unlimited calls with vetted mentors.
$720K
Estimate · ARR, reported 2022
Control low
free supply can walk
free supply can walk
★ The edge: Most mentors work for free — so members get unlimited calls and GrowthMentor keeps the whole subscription.
Open →
FeedbackPanda
SaaS
One-click lesson feedback for ESL teachers
$55K/mo
Stated · MRR at 2019 exit
All revenue rode on one platform, VIPKid.
★ The edge: Danielle was an ESL teacher herself: she felt the pain daily and had trust inside the teacher groups they sold into.
Open →
MySignature
SaaS
Bought his rival at $25K MRR; it's now the bigger one.
$55K/mo
Stated · about $700K/yr, self-funded
One Google algo change can gut the traffic.
★ The edge: Owns top-5 Google rankings for 'email signature generator'; a free tool turns that evergreen traffic into $12/mo subs.
Open →
SubmitHub
Marketplace
Musicians pay to guarantee a curator actually listens.
$55K/mo
Stated · self-reported MRR
Low approvals feel like pay-to-be-rejected.
★ The edge: A blogger drowning in 300 daily submissions charged the senders, turning spam into a paid marketplace.
Open →
Punchpass
SaaS
The class-pass tool for studios Mindbody overwhelms.
$633.8K
Estimate · 2024 · Latka est.
Crowded market of low-LTV small studios.
★ The edge: He aimed at studios Mindbody overcharges: radical simplicity, a fair price, and a decade of calm profitable focus.
Open →
Simple Analytics
SaaS
Google Analytics got banned in the EU. He sold the fix.
$603.8K
Stated · ARR, live dashboard
Low barrier: a dozen cookieless clones.
★ The edge: Turned EU rulings against Google Analytics into demand: cookieless, EU-hosted, fully transparent.
Open →
Bannerbear
Dev
Solo founder, image API, $50K a month.
$50K MRR
Stated · MRR, solo bootstrapped
Easy to clone; the moat is distribution.
★ The edge: A boring API for a repetitive marketing task, repriced from $9 hobbyist tiers to $49-299 business plans.
Open →
Closing Credits
Marketplace
Courses for the 600k voice-acting crowd he owned
$50K/mo
Stated · revenue - 2022 - founder
Scale Low 20% gross margin
★ The edge: Years running the free Casting Call Club gave him 600k voice actors to sell to before he wrote one course.
Open →
Laravel Shift
Dev
Every forced Laravel upgrade, automated in one PR.
$50K+/mo
Stated · founder-stated, 2025
One framework's calendar sets the revenue.
★ The edge: Blessed by Laravel's creator, it's the default upgrader — with 175k+ upgrades of edge-case data no rival can match.
Open →
PDF.ai
SaaS
Chat with your PDFs - a $20K buy now doing $50K/mo.
$50K+/mo
Stated · MRR, founder-stated
Thin AI wrapper - cloned in a weekend.
★ The edge: He didn't build it - he bought a working AI toy for $20K, then used the audience his other SaaS already had.
Open →
StandOut CV
SaaS
A recruiter turned CV advice into the UK's #1 CV site.
£40K/mo
Stated · about $50K · MRR at exit, all via SEO
One channel: Google. AI now writes CVs free.
★ The edge: 10 years placing hires at Barclays and Deloitte made his CV advice ring true; 1,000+ SEO articles became the moat.
Open →
Viral Loops
SaaS
The agency's referral tool that sold twice.
US$800K
Estimate · 2021 rev.; sold at US$2.3M
Referral is a feature suites bundle free.
★ The edge: Profitable at US$800K with 700+ customers and no one big enough to matter - a bolt-on that runs without its founder.
Open →
TractorData
Ad
One guy catalogued every tractor. Ads do the rest.
$46,000/mo
Estimate · est. rev (BoringCashCow)
Depends entirely on Google and ad networks.
★ The edge: The complete, neutral spec sheet for every tractor ever made — the first result for almost every model search.
Open →
Superpath
Community
A free Slack for content marketers, monetized 4 ways.
$550K/yr
Stated · gross '22, founder-stated
One niche, and AI is cutting content jobs.
★ The edge: Jimmy Daly launched to 4K newsletter and 6K Twitter fans he already had, so it opened with members, not from zero.
Open →
AvtoPro
Marketplace
$105M of parts sold through it. They take no cut.
$540K/yr
Stated · founder-stated, mid-war 2022
Earns from ads, not the $105M it moves
★ The edge: A parts catalog matched to 5,000 stores' live stock, and a brand searched 5x more often than the words 'spare parts'.
Open →
Pappers
Data
Free French company data. The paying 1% funds it all.
€0.49M
Filed · $0.53M · 2024 net profit (filed)
Moat is UX and SEO, not the data itself.
★ The edge: Made paywalled French company data free with far better UX; the 1% who buy the API and exports fund the free 99%.
Open →
CookieYes
SaaS
The cookie banner the law made you add.
$523K
Estimate · est. ARR 2024 (Latka)
warn entry Low
banner is a commodity
banner is a commodity
★ The edge: A free WordPress plugin with 1M+ installs funnels sites into the paid consent platform.
Open →
Bank Statement Converter
SaaS
PDF bank statements in, clean spreadsheets out.
$42K/mo
Stated · Aug 2025, founder-posted
⚠ Entry low
a script anyone can copy
a script anyone can copy
★ The edge: Anyone can build a PDF parser. He ranked #1 for 'convert HSBC statement to Excel' — where accountants search.
Open →
Cyberleads
Data
Leads on startups that just raised, for agencies.
$500K+/yr
Estimate · ARR, founder-disclosed
Copyable data, thin moat, high churn.
★ The edge: Built entirely in public: every MRR-milestone tweet was free marketing, so his audience compounded with the revenue.
Open →
Soundslice
SaaS
Sheet music you can click, loop and slow down.
$500K+
Stated · course-creator earnings
$5 consumer pricing caps a small niche.
★ The edge: Django co-creator who also plays guitar — rare enough to build notation rivals can't, patient enough to wait 13 yrs.
Open →
FoodDocs
SaaS
Build the HACCP plan the law demands — in an hour.
$40K/mo
Stated · 2022 · founder-stated
⚠ Entry: low barrier
crowded HACCP field
crowded HACCP field
★ The edge: Two food-safety consultants turned 30 years of HACCP paperwork into self-serve software.
Open →
PDFLiner
SaaS
Ranks every US tax form, then charges to fill it.
$40K/mo
Stated · MRR, founder-stated (2022)
Google ranks the forms; one update sinks it.
★ The edge: Every IRS, legal and real-estate form is its own SEO page, so 'fill form X online' searches land on a paywalled filler.
Open →
Storemapper
SaaS
A boring store-locator, built to be bought.
$40K MRR
Stated · at 2017 sale (founder)
Commodity widget; platforms can bundle it.
★ The edge: Sticky embed with near-zero churn, grown on organic search and a 'powered by' backlink loop. Zero ad spend.
Open →
Hiface
SaaS
A face-shape app with 96% margins and zero ad spend.
$455,754/yr
Estimate · Annual rev at sale (Flippa)
A one-shot utility; users rarely come back.
★ The edge: 100% organic traffic means zero CAC and 96% margins — the whole business runs on App Store rankings, not ad budgets.
Open →
GummySearch
Data
Mined Reddit's complaints, sold them to founders
$35K/mo
Estimate · MRR at 2025 shutdown
Control low
lived and died on Reddit's API
lived and died on Reddit's API
★ The edge: One search box over 10,000+ subreddits — founders validate ideas in minutes, not weeks of scrolling.
Open →
Post Bridge
SaaS
Schedule one post to every platform, no bloat.
$35K MRR
Stated · about $420K ARR, stated
Thin layer over social APIs he can't own.
★ The edge: He hand-posted to five platforms daily to grow his own app — then sold the automation of that exact chore.
Open →
Restworld
Marketplace
He waited tables. Now he staffs Italy's kitchens.
$35K/mo
Stated · MRR, self-reported
Hiring demand swings with the season.
★ The edge: Vertical hiring built only for restaurants — matching and onboarding, not a generic job board chains ignore.
Open →
Lunch Money
SaaS
Power-user budgeting, at a price you choose.
$34K MRR
Estimate · about $410K/yr, solo, 2024
Solo founder is the whole company.
★ The edge: Ex-Twitter engineer built for people exactly like her, in public — budgeting nerds trust one of their own.
Open →
Typeshare
SaaS
Sold two-thirds of his app to get an audience.
$34K MRR
Stated · MRR, founder-stated 2025
Flat MRR; depends on Ship 30 for 30.
★ The edge: His co-owners were the exact influencers whose thousands of students needed a place to publish.
Open →
Buttondown
SaaS
No-bloat newsletters. Flat price, 0% author cut.
$392K/yr
Estimate · 2024 (Latka); +61% in 2025
Flat price caps upside; low switching costs.
★ The edge: Beat rotting incumbents by doing less: nail deliverability, let writers own their list, take 0% of revenue.
Open →
MySlabs
Marketplace
The 2% fee that moved $80M and still lost money
$389K
Filed · FY2023 revenue (SEC)
Thin 2% fee; still unprofitable
★ The edge: Sellers pay 2%, not the 13% eBay takes or the 20%+ auctions charge. The low fee is the whole pitch.
Open →
Design Match
Marketplace
Matched startups to designers. Zero ad spend to $32K/mo.
$32K MRR
Stated · MRR - self-reported
Founder-led; MRR once went negative.
★ The edge: A nomad product designer whose work reached 300M+ users, with the network and taste to match founders to designers.
Open →
MetaFilter
Community
The forum Google built, then nearly killed.
$31.5K/mo
Stated · income vs $30.5K/mo expenses
Built on Google traffic it didn't control.
★ The edge: Ads died overnight when Google's Panda update cut traffic 40%; 15 years of member goodwill funded the site instead.
Open →
Mylance
Community
Ex-Uber consultant sold his playbook to the next wave
$374K
Stated · 2022 gross revenue
Near breakeven; his hours are the product
★ The edge: Free community is the funnel; revenue is a lead-gen tool plus an accelerator he coaches himself.
Open →
eRecht24
SaaS
German law makes every website buy legal texts.
370,000+
Stated · websites secured (Premium)
Germany-only: law and SEO don't cross borders.
★ The edge: A lawyer owns Germany's SEO for the exact legal texts every website is legally forced to publish.
Open →
DotMarket
Marketplace
France's marketplace for buying and selling websites.
$360K/yr
Stated · founder-stated (2022)
Thin French deal pool caps liquidity.
★ The edge: Cloned a proven US marketplace for France, a market Empire Flippers won't localize - owning French deal flow and trust.
Open →
TypingMind
SaaS
The power-user UI ChatGPT forgot to build.
$30K/mo
Stated · avg/mo, founder-stated
A wrapper OpenAI could absorb overnight.
★ The edge: Wrapped ChatGPT's clunky default with the search, folders and bring-your-own-key its power users asked for.
Open →
Angel Match
Data
The investor database that programmatic SEO sold
$26,182/mo
Stated · MRR - Stripe-verified
⚠ Control low
lists copyable
lists copyable
★ The edge: Programmatic SEO turns a 125K-row investor list into thousands of pages that sell fundraising access.
Open →
750 Words
Community
A 17-year-old journaling site, 5,800 members, $26K/mo.
$26K/mo
Stated · monthly, founder-stated
One founder, one flat niche; growth is hard.
★ The edge: Habit lock-in: daily streaks, badges and monthly writing challenges keep members returning for years.
Open →
Codeable
Marketplace
No-bidding WordPress marketplace, vetted pros
300K+
Stated · projects shipped
Supply capped by slow peer-vetting
★ The edge: Removed bidding entirely — experts don't undercut, clients pay one averaged fair price, both sides stay happy.
Open →
Judoscale
Dev
Autoscaling sold inside Heroku's own app store.
$300,000 ARR
Stated · founder-stated, 2021
Heroku's decline hit the main channel.
★ The edge: The Heroku add-on marketplace shipped him customers for five years while he kept his day job.
Open →
Liinks
SaaS
A $4 link page quietly clearing $25K a month.
$25K/mo
Stated · MRR, Oct 2024 (founder)
Linktree could kill the $4 tier for free.
★ The edge: One designer-engineer runs the whole app on about $50/mo of infra, so a $4/mo price still clears 80-90% margins.
Open →
Swapstack
Marketplace
The marketplace matching newsletters with brands.
$25K/mo
Stated · monthly rev at 2023 sale
⚠ Entry low
platforms can build it native
platforms can build it native
★ The edge: Writers keep 100%; brands pay the 10% fee — the side with budget barely notices the markup.
Open →
DataFast
SaaS
Ties every signup back to the tweet that sold it.
$24.6K MRR
Estimate · Stripe-verified, live
Attribution breaks when cookies are blocked.
★ The edge: Google Analytics counts pageviews; DataFast ties each visitor to the exact dollar and channel that closed it.
Open →
MentorCruise
Marketplace
Monthly 1:1 mentorship from people who've done it.
$24K/mo
Stated · commissions · 2023
Entry: free rivals
★ The edge: SEO owns the demand. Mentees arrive from Google, so MentorCruise — not the mentor — sets the take.
Open →
Data Fetcher
SaaS
The API importer Airtable never shipped, done solo.
$23K/mo
Stated · MRR · up 4x from $6K
Its whole market lives inside Airtable.
★ The edge: Airtable can't pull live API data itself. Data Fetcher is the no-code fix, sitting right in Airtable's app store.
Open →
Swimply
Marketplace
Airbnb for backyard pools — rent one by the hour.
275,000+
Stated · reservations in 2026
Repeat locals can rebook off-platform.
★ The edge: Owns the only liquidity in a category it invented, so it charges a rich 30% take (20% host + 10% guest).
Open →
SuperX
SaaS
He sold Tweet Hunter for $8M. A partner rebuilt this one.
$22,094 MRR
Estimate · Stripe-verified MRR
One platform (X) owns their whole demand.
★ The edge: Tibo's Tweet Hunter/Taplio playbook and audience, paired with Rob Hallam's rebuild, took SuperX to $23K+ MRR.
Open →
Visa List
Data
Free visa data. $22K/mo. One guy in Sydney.
$22K/mo
Stated · founder-stated, 2022
A Google update can halve everything.
★ The edge: He never sells the visa info - it's free bait that ranks on Google. The money is the traveler's next purchase.
Open →
Feather
SaaS
Bootstrapped solo, sold for $250K — it ran itself.
$250K exit
Stated · sold to Tibo, June 2024
Built on Notion's API and Google's SEO.
★ The edge: Solo-built, profitable from launch, running unattended — the rare asset a buyer can take over with no cleanup.
Open →
Really Good Emails
Community
$250K revenue. Sold for up to $6.6M — for the audience.
$250K/yr
Estimate · 2023 revenue (Growens)
Ad-funded; $250K on 100M pageviews is thin.
★ The edge: Ten years curating the best emails made RGE the default inspiration site for the people who buy email tools.
Open →
Flusk
Dev
Security audits for Bubble apps — bought by Bubble.
$240K
Stated · ARR · 2024 exit
⚠ Control low
100% on one platform
100% on one platform
★ The edge: a self-serve product — you can't acquire a service, you can acquire a product.
Open →
Stagetimer
SaaS
The browser countdown timer behind SpaceX shows.
$20K/mo
Stated · MRR, 2,000 customers
A countdown timer is trivial to clone.
★ The edge: One-time event licenses, not just monthly plans — matching a trade that needs a timer for one show, then never again.
Open →
FeedHive
SaaS
Turned a tweet scheduler into an AI content studio
$227.7K ARR
Estimate · est. ARR, Latka '24
Commodity category; AI writing is now free.
★ The edge: AI scores a post's likely reach before you publish and auto-recycles your best ones, in a clean solo-built workspace.
Open →
P
PA Crunch
SaaS
Passive Instagram growth SaaS. Sold for $300K.
$18K MRR
Stated · at 2018 exit · 50% margin
Zero control; it all ran on Instagram.
★ The edge: Delegated to a 4-person team so it ran in about 3 hours a month — profitable, hands-off, and clean enough to sell fast.
Open →
SEOTesting
SaaS
SEO A/B testing, powered by Google's own data.
$18K/mo
Stated · MRR, founder-stated 2023
Lives and dies by Google's Search Console
★ The edge: Built by an SEO for SEOs: turns Google Search Console's raw data into repeatable, client-ready A/B tests.
Open →
Youform
SaaS
A $29 Typeform rival that turns free forms into ads.
$18K/mo
Stated · about $216K ARR, Mar '26
Forms are commoditized; zero switching cost.
★ The edge: The cheapest Typeform rival; every free form carries a 'Powered by Youform' badge that recruits the next user.
Open →
Pinboard
SaaS
Paid bookmarking, one guy, no VC — profit is the pitch.
$212K/yr
Stated · gross 2020, founder-said
Tiny shrinking market, one-man bus factor.
★ The edge: Charging from day one keeps it solo and profitable, so 'we won't sell you out or vanish' is a promise he can keep.
Open →
Podsqueeze
SaaS
He podcasted 280 episodes, then sold the tool.
$16k MRR
Stated · MRR, founder on air 2024
Priced under rivals in a fast-copied market.
★ The edge: Built for his own show, sold to his own listeners: a 280-episode build-in-public archive was the launch list.
Open →
Unicorn Platform
SaaS
The simple site builder that sold for $800K.
$16K/mo
Stated · MRR at sale (2022)
Low entry barrier - rivals everywhere.
★ The edge: Profitable and self-serve: $16K MRR from about 1,000 subscribers with no sales team - a clean asset a buyer could run.
Open →
Uplink
Marketplace
IT-freelancer network with a fair, time-limited fee.
$16K/mo
Stated · founder-stated 2019
⚠ Scale-limited
one region · fee ends at 6mo
one region · fee ends at 6mo
★ The edge: Recruiters take a permanent cut. Uplink's fee ends after six months — a loyal freelancer then pays nothing.
Open →
Coolify
Dev
Open-source Heroku you run on your own server.
$15.7K/mo
Stated · gross, self-reported
Just 5 people handle code, support, security.
★ The edge: Owns the self-hosting crowd's trust — open-source, no VC, no lock-in — the anti-Vercel a VC clone can't copy.
Open →
BlogToPin
SaaS
Auto-pins your blog to Pinterest for free traffic
$15K MRR
Stated · founder-stated (IH)
10-15% monthly churn — a leaky bucket
★ The edge: Connect a blog once and AI writes and pins forever — rivals like Tailwind still make you build each pin by hand.
Open →
B
Black Magic
SaaS
Turned down $500K. API bill forced a $128K sale.
$168K ARR
Estimate · at sale · 90% margin
One dependency: Twitter's API.
★ The edge: Real-time X analytics plus a CRM rivals lacked, sold straight to the 100K+ audience the founder built in public.
Open →
MENTA
Marketplace
Monthly mentors, not one-off gigs — built solo in Japan
$13K MRR
Stated · Founder-stated, Jan 2020
Cloneable software; the moat is his audience
★ The edge: Sold the ongoing relationship, not one-off gigs: mentors charge monthly for unlimited questions, so revenue recurs.
Open →
Remotive
Community
Remote jobs board grown from a niche newsletter.
$156K
Estimate · annual revenue, 2023
Modest revenue, fragile SEO traffic.
★ The edge: Ran ops at Buffer, the remote-work poster child, so the newsletter had reach before COVID made remote normal.
Open →
FreeAgent
SaaS
UK freelancers' books, now free inside their bank app.
150,000+
Estimate · businesses on FreeAgent
Its growth now leans on one bank.
★ The edge: Owned by NatWest, which hands it free to every business-banking customer — a channel rivals cannot buy.
Open →
iubenda
SaaS
Every website's privacy policy, auto-updated forever.
150,000
Stated · clients worldwide
Control Mid low end cloneable
★ The edge: Laws keep changing - iubenda's lawyers auto-update every policy, so churn stays near zero.
Open →
Net Net Hunter
Data
The world's cheapest stocks, hand-picked for members.
$144K
Stated · /yr · 90% margin · solo
⚠ Scale capped
one man, one SEO funnel
one man, one SEO funnel
★ The edge: The raw data was free in filings — he does the tedious global hand-filtering nobody else will.
Open →
52Frames
Community
A free weekly photo challenge, monetized after a decade.
$11K/mo
Stated · founder-stated, May 2023
⚠ Bus factor of 1
solo, weekly, forever
solo, weekly, forever
★ The edge: Rivals hand you a prompt or a crowd. 52Frames fuses a weekly ritual with a 13K-member feedback loop.
Open →
Nomad List
Community
Find the best city to live & work as a nomad — by data.
$11K/mo
Stated · founder-stated MRR
⚠ Need·Time soft
niche + travel churn
niche + travel churn
★ The edge: the moat isn't the data — it's 11 yrs of user-filled data + community + his public brand (@levelsio), all solo.
Open →
Inbox Zero
SaaS
Open-source AI for email. The license is the paywall.
$10K+ MRR
Stated · founder-stated MRR, Oct 2025
Google can ship this free inside Gmail.
★ The edge: Open source solves the trust problem for an app that reads every email, and GitHub trending brought the users.
Open →
Tool Finder
Ad
Where 450k fans pick their productivity tools.
>$10K/mo
Stated · Founder-stated, 2026
Affiliate traffic hinges on Google and AI.
★ The edge: Fourteen years of hands-on reviews and a 450k-sub audience make each pick trusted before a vendor pays.
Open →
Planning Center
SaaS
Church software that made itself impossible to sell.
90,000+
Stated · churches
Bounded to churches; low ARPU by design.
★ The edge: Two church staffers fixed their Sunday-service chaos in 2006, then compounded 20 years of trust with no VC and no exit.
Open →
Buildpad
SaaS
Two failed founders built the AI cofounder they wanted.
$7,300/mo
Stated · MRR, 7 mo in (May 2025)
100k free founders, about $7K MRR.
★ The edge: The AI keeps your project in memory across sessions and guides you through phases: research, validate, build, launch.
Open →
Potion
SaaS
Sold for $300K on $6,300 MRR and 2 hrs a week.
$6,300 MRR
Estimate · MRR at $300K exit (2023)
A thin layer on Notion's own API.
★ The edge: Built in public on Twitter for two months before launch, so the audience giving feedback became the first 75 customers.
Open →
BitsForDigits
Marketplace
Sell part of your SaaS — cash out, keep control.
$72K/yr
Stated · self-reported · pre-exit
⚠ Control thin
buyer pool owned by rivals
buyer pool owned by rivals
★ The edge: they turned a rich-founder move — Basecamp selling a stake to Bezos — into a self-serve marketplace.
Open →
Remote Rocketship
Marketplace
Free Google traffic, sold back to job seekers.
$6k/mo
Stated · MRR · self-reported
⚠ Retention low
seekers cancel once hired
seekers cancel once hired
★ The edge: Everyone bills employers to post jobs. He scraped 60k firms' listings free and charged the job seeker instead.
Open →
Truck Parking Club
Marketplace
Reservable truck parking on other people's lots.
66,000+
Stated · bookable parking spaces
Trucker Path now sells paid reservations too.
★ The edge: Asset-light: no land bought, no lots built. He lists owners' idle acreage and takes 30% of every booking.
Open →
Cliniko
SaaS
Bootstrapped clinic software, built with an osteopath.
65,000+
Stated · practitioners
Crowded category full of funded rivals.
★ The edge: Built with an osteopath, not by a generalist — 14 bootstrapped years turned clinical depth into trust rivals can't buy.
Open →
Bandzoogle
SaaS
The site builder that takes 0% of what artists sell.
60,000+
Stated · artist sites and stores
Bounded, slow-growth music niche
★ The edge: A music-only website builder that takes 0% of what artists sell - you keep 100%, it lives on your flat monthly fee.
Open →
Bear Blog
SaaS
Blogging stripped to words. No JS, no trackers.
$60K/yr
Estimate · est. ARR · solo founder
Free tier is a spam magnet; $5/mo caps ARPU.
★ The edge: Wins by subtraction: no JavaScript, no trackers, sub-second loads. The free tier is the marketing.
Open →
Dropmagic
SaaS
AI turns any product into a Shopify store in 2 minutes
$58K
Stated · MRR, TrustMRR verified
Dropshipping AI hype; churn likely high
★ The edge: Minea grew on creators he didn't control; Dropmagic owns its own distribution from day one - his stated #1 edge.
Open →
DudeRanch.com
Marketplace
Bought DudeRanch.com; the domain does the marketing.
$50.5K
Stated · /yr TTM · solo · sold '25
⚠ Scale capped
one niche, about $50K/yr
one niche, about $50K/yr
★ The edge: He didn't build demand — he bought the door to it: about 50 free type-in visits a day, costs near zero.
Open →
Focus NFe
Dev
Brazil forces e-invoices by law. He's the API.
50,000+
Stated · client companies
Gov owns the standard + a free emitter.
★ The edge: Brazil's 5,570 cities each run a different e-invoice system. Focus integrated 3,000+ into one API.
Open →
OwnerRez
SaaS
Run your rentals, own your bookings. Flat fee.
50,000+
Stated · active properties
Steep setup — power users only, not newbies.
★ The edge: Direct API links to Airbnb, Vrbo and Booking.com let it charge a flat monthly fee, never a percent of your revenue.
Open →
U
Userfeed
SaaS
Customer feedback, native to Intercom.
$50K ARR
Stated · at exit; sold 6-figures
All distribution rents Intercom's platform.
★ The edge: Lived in the Intercom App Store, so Intercom's own users were its ready-made distribution channel.
Open →
Crypto Jobs List
Marketplace
The job board that rode the 2017 crypto gold rush.
$4K/mo
Stated · Apr 2018, founder-stated
Entry low a job board clones in a weekend
★ The edge: First real web3 job board. Hand-seeded supply, then sold $199 job posts to startups desperate for devs.
Open →
Work With Indies
Marketplace
The indie-games job board built by a 20-year insider.
$3.9K/mo
Stated · Founder-stated; reinvested
Tiny revenue; games hiring runs in cycles.
★ The edge: Twenty years inside games (Amazon, PlayStation) gave Nathan the network and taste to serve a niche big boards ignore.
Open →
My AskAI
SaaS
AI support agent that plugs into Intercom or Zendesk
$40K
Stated · MRR · about $500K ARR
⚠ Entry low
crowded; incumbents bundle it
crowded; incumbents bundle it
★ The edge: Built on OpenAI's embeddings soon after launch, shipped in three weeks; 2 people run 75k chats/mo at 82% margin.
Open →
Typebot
SaaS
Open-source no-code chatbot builder, run solo.
$36.5K
Stated · MRR, Q3 2024 (founder)
Crowded category; free self-host caps price
★ The edge: Open-sourced a paid SaaS. 10k GitHub stars became free distribution; self-hosters evangelize, businesses buy cloud.
Open →
FilterGrade
Marketplace
Where photographers buy and sell presets.
$30K
Stated · /mo · self-reported
SEO-reliant; a Google drop hit traffic hard.
★ The edge: Not the presets — the buyer audience they built first on a blog and YouTube, letting them take a 50% cut.
Open →
Frontend Mentor
Community
Where junior devs practice on real design files.
$30K
Stated · MRR · founder-stated
⚠ Time leaky · about 13% monthly churn
★ The edge: Tutorials give you code, never the Figma. He shipped real design files so practice became portfolio pieces.
Open →
ScreenshotOne
Dev
One dev sells the screenshot infra devs hate running
$25K
Stated · MRR · founder-stated · 2026
⚠ Entry low
clones undercut 2-4x
clones undercut 2-4x
★ The edge: One dev turns infrastructure nobody wants to maintain into about $25K/mo by refusing to compete on price.
Open →
Uncat
SaaS
Gets clients to explain their mystery transactions.
25k+
Stated · accountants & bookkeepers
A feature QuickBooks could bundle away.
★ The edge: Owns one hated chore — uncategorized transactions — not another do-it-all practice suite.
Open →
Cloakist
SaaS
Wrapped Notion pages. Sold for $60k in one month.
$2k MRR
Stated · at $60k exit · 2.5x ARR
Rides on platforms that could ship this free.
★ The edge: One job, recurring revenue, no founder brand to replace. A buyer could run it day one, which is why it sold fast.
Open →
Merrative
Marketplace
A book-lovers' community that hires out its writers.
$2K/mo
Stated · revenue, self-reported 2022
Thin revenue; hard to scale past a niche.
★ The edge: Built the community first, then sold access to its writers. The owned 5,000-member audience is what brands can't copy.
Open →
TaxJar
SaaS
E-commerce sales tax a court made mandatory.
23,000+
Stated · businesses at acquisition
Platform risk: Stripe absorbed the category.
★ The edge: Built pre-Wayfair. When the 2018 ruling made sales-tax collection mandatory, TaxJar was already the incumbent.
Open →
RecordJoy
SaaS
A 'poor man's Loom,' flipped for about 1.7x.
$20K
Stated · sold on Acquire.com '22
No moat vs Loom and free recorders.
★ The edge: Sold within a month for $20K, about 1.7x the $12K buy split with a cousin — proof a clean micro-SaaS is liquid.
Open →
SavvyCal
SaaS
Scheduling built for the guest, not the host.
$20K+
Stated · MRR, founder-stated
Low entry barrier — Calendly can copy it.
★ The edge: Recipient-first scheduling: guests overlay their own calendar on your slots and see mutual free time in one view.
Open →
sellerboard
SaaS
The net profit Amazon hides - for $19 a month.
20K+
Stated · Amazon sellers
100% dependent on Amazon's API and fees
★ The edge: The accurate net-profit number Amazon hides, priced at $19 so every small seller says yes.
Open →
JobBoardSearch
Data
One index for every niche job board on the web.
$1.5K MRR
Stated · Stripe-verified, solo
Copyable product; thin, broke paying niche.
★ The edge: An ugly directory shipped in 5 hours to ride the Stack Overflow Jobs shutdown — then compounded into an owned audience.
Open →
Jackrabbit Technologies
SaaS
17,000 activity centers. Zero VC. 20 years.
17,000+ centers
Stated · clients; rev. never public
The niche is finite; TAM caps growth.
★ The edge: Twenty years building per-sport workflow — gym, dance, swim, cheer — that funded rivals never match in depth.
Open →
Stocksmith (ex-Craftybase)
SaaS
Inventory + true-cost bookkeeping for makers
10,000+
Stated · product businesses
⚠ Scale capped
niche TAM · revenue hidden
niche TAM · revenue hidden
★ The edge: Generic books stop at 'spent $200 on supplies.' Craftybase costs every gram — true per-item cost.
Open →
FastBound
SaaS
By law, every gun dealer logs every gun. We're the log.
10,000+
Stated · FFLs since 2010
US-only FFL ceiling; ATF/politics can shift.
★ The edge: The only e-bound-book bundled with an attorney-backed legal defense — it sells the ATF-audit fear, not features.
Open →
Financial Cents
SaaS
Practice software for accountants. $0 VC, 70+ staff.
10,000+
Stated · accountants and CPAs
No public ARR; crowded, VC-heavy niche.
★ The edge: Bootstrapped past richly funded rivals by staying simple and winning accountants on SEO content, not paid ads.
Open →
CattleMax
SaaS
Ranchers' herd records, bootstrapped since 1999.
8,000+
Stated · farms and ranches
Small herds, small budgets — low ceiling.
★ The edge: A niche too small and unglamorous for big SaaS to bother with, held by 25 years of ranch-specific depth and referrals.
Open →
JobTread
SaaS
Built to run his own contracting firm. Now 7,500 use it.
7,500+
Stated · contractor customers
Crowded category; no VC to outspend rivals.
★ The edge: He ran an $8M contracting firm on JobTread first. Builders buy from one of their own, not another software vendor.
Open →
Transistor.fm
SaaS
Podcast hosting for indies — grown as a calm company.
7,500 paying
Stated · $0 VC · team about 6
⚠ Scale capped
calm by choice
calm by choice
★ The edge: deliberately turns away big clients to keep focus — and builds in public, so the content itself became the marketing.
Open →
Jetpack Workflow
SaaS
Deadline software for accounting firms.
6,000+
Stated · accountants and bookkeepers
Entry low
clones everywhere
clones everywhere
★ The edge: Owns the audience: a 250+ episode podcast feeds signups, so a boring niche needs no ad budget.
Open →
CleanCloud
SaaS
The POS running 5,000+ laundromats worldwide.
5,000+
Stated · laundromats & dry cleaners
Fixed TAM: only so many dry cleaners exist.
★ The edge: Went deep on a paper-run, unsexy niche nobody courted, then embedded card payments a processor paid $2M for 20%.
Open →
shopVOX
SaaS
The back office for custom sign and print shops
3,000+
Stated · customers worldwide
Thin niche, low ARPU, glacial word-of-mouth
★ The edge: Every sign shop already ran QuickBooks, so shopVOX sat on top as the quote-to-cash layer, never replacing the books.
Open →
Boostlingo
SaaS
Interpreters on tap: 275 languages, 5-second answer.
1,800% 3-yr growth
Stated · Inc 5000 #312; rev private
AI voice could undercut per-minute rates.
★ The edge: It sells the software agencies use to run interpreters, plus a 10K-strong on-demand network billed per minute.
Open →
SuperOps
SaaS
1,300 MSPs pay for a stack they helped design.
1,300 paying MSPs
Stated · ARR private; 104 countries
Legacy incumbents own the big MSP accounts.
★ The edge: One AI-native PSA+RMM, not a bolted-together legacy suite, priced on an India cost base for small MSPs giants ignore.
Open →
FincenFetch
SaaS
The filing rails for whatever FinCEN mandates next.
1,000+
Stated · firms
Its whole market is one rule's political whim.
★ The edge: Built FinCEN filing rails before the law landed; 1,000+ CPA and law firms white-label it instead of DIY.
Open →
Greenlight Guru
SaaS
You can't ship a medical device without a QMS.
1,000+
Stated · medical device companies
Narrow market: only medical-device makers.
★ The edge: Built only for medtech: FDA/ISO workflows ship pre-wired, so startups pass audits without a $200/hr consultant.
Open →
B
Breww
SaaS
The brewery software that actually does your beer duty.
800+
Stated · breweries
Finite, plateauing craft-beer market.
★ The edge: US brewery tools skip UK and EU alcohol duty; Breww automates it, so Commonwealth breweries have no real rival.
Open →
L
LabStar
SaaS
Cloud back-office for the labs that make your crown.
600
Stated · dental labs worldwide
Tiny, shrinking market limits the upside.
★ The edge: Noles had run a dental lab AND led eBay Asia, then built the cloud tool his old lab needed, co-designed with six labs.
Open →
Open Dental
SaaS
Practice software a dentist built to undercut Dentrix
300+
Stated · employees
Just closed its 20-year open-source promise
★ The edge: Free GPL code for 20 years won trust and about 20,000 practices; painful data conversion now keeps them from leaving.
Open →
CIMcloud
SaaS
Bootstrapped B2B stores synced to legacy ERPs
119%
Stated · 3-yr revenue growth
Every deploy is an ERP integration project.
★ The edge: Shopify treats B2B as an add-on. CIMcloud was ERP-first: real-time price, stock and order sync for distributors.
Open →
Podscan
SaaS
Google Alerts, but for podcast audio.
$6-10K MRR
Stated · founder-disclosed, 2025
Transcription cost about equals revenue.
★ The edge: Transcribes 4M+ podcasts in full; rivals only index RSS titles, so spoken brand mentions stayed invisible.
Open →
Storecove
Dev
One API for compliant e-invoices in 30+ countries
31
Stated · countries, API compliance
Peppol access is commoditizing fast
★ The edge: Bet on Peppol in 2014, years before mandates. Now ERPs that must comply plug into one API instead of building it.
Open →
The CE Shop
SaaS
The law makes them renew. He sold them the renewal.
$29-64M
Estimate · rev. band, 2020 (DBJ)
One vertical, tied to US license law.
★ The edge: State law forces every agent to renew, so the CE bill repeats every 1-2 years on its own.
Open →
Collectr
Data
Your card collection, priced like a stock portfolio
8-fig ARR
Stated · founder-stated to BetaKit
Rides card-market hype; data is third-party.
★ The edge: Fintech founders reframed a shoebox of cards as a live-priced portfolio, seeded on forums they already lived on.
Open →
Voices.com
Marketplace
Hire a pro voice actor in a day — Voices takes 20%.
8-figure/yr
Stated · membership + 20% fee
⚠ Need at risk — AI TTS undercuts human talent
★ The edge: Charge the side with the money: bill clients only when they hire, via escrow — that flip unlocked liquidity.
Open →
Hypefury
SaaS
Thread scheduling for X, born from one tweet.
7-figure revenue
Stated · founder-stated · not ARR
Depends entirely on X's API and pricing.
★ The edge: Focused only on X threads while Buffer/Hootsuite stayed generic. Bootstrapped, no VC, grown via build-in-public.
Open →
Paperbell
SaaS
Run a coaching business from one $57/mo app.
Low 7-figure ARR
Stated · founder-stated, 2026
⚠ Entry low
crowded coaching-CRM niche
crowded coaching-CRM niche
★ The edge: Rival took $10M from a16z, built native apps, and folded. Laura won solo by pouring it all into SEO.
Open →
Parseur
SaaS
Turns emails and PDFs into structured data, no code.
7-figure ARR
Stated · 1k customers, +60%/yr
Thin moat — any LLM can extract from one PDF.
★ The edge: Kept it simple and self-serve while UiPath and ABBYY spent hundreds of millions on enterprise AI.
Open →
SignWell
SaaS
One bootstrapper's $10 answer to DocuSign.
7-figure ARR
Stated · first-party (2024)
Commodity feature; weak switching costs.
★ The edge: Skipped sales teams and enterprise bloat; won overcharged SMBs with a real free tier, $10 plans, and relentless SEO.
Open →
TeamGantt
SaaS
Beat project-management giants by owning one keyword.
7-figure ARR
Stated · founder-stated on air
Gantt is a feature rivals can bundle free.
★ The edge: Ranks #1 for 'gantt chart' for over a decade, so intent-rich buyers arrive from free organic search at near-zero cost.
Open →
Complianz
SaaS
GDPR forced a banner. He already owned the audience.
$5-27M
Estimate · team.blue sale, est.
Commodity banner; lives inside WordPress
★ The edge: Rode a top-10 WordPress plugin's millions of installs to win commodity GDPR consent on distribution, not features.
Open →
Seobility
SaaS
Gave away SEO checks, sold the funnel for millions.
$2.5-5M ARR
Estimate · est. ARR at sale (TGA)
Its whole market rents attention from Google.
★ The edge: The exit wasn't the win. A lean, profitable tool with a 400k-user free funnel is what a serial buyer pays for.
Open →
Action1
SaaS
Full-featured patching, free to 200 endpoints.
7,265% 3-yr growth
Stated · revenue never disclosed
Patching is a feature giants give away free.
★ The edge: The founders built Netwrix into a multi-billion-dollar security company first. Same IT buyer, second time around.
Open →
AdButler
SaaS
The neutral ad server publishers own, not Google.
148% 3-yr growth
Estimate · revenue never disclosed
Google gives an ad server away free
★ The edge: The pitch isn't 'cheaper than Google's free server.' It's that Google, the biggest ad buyer and seller, isn't neutral.
Open →
AgencyAnalytics
SaaS
White-label client reports for marketing agencies.
$15.7M ARR
Estimate · Latka est.
Reporting is commoditized; rivals copy fast.
★ The edge: Priced per client, so revenue scales with each agency's roster; white-label makes the report the agency's own.
Open →
Anrok
SaaS
Sales-tax autopilot, built only for SaaS.
$525M valuation
Estimate · $110M raised
Control low: Stripe can bundle it
★ The edge: A 2018 Supreme Court ruling forced every software seller to collect US sales tax. Anrok automates the whole mess.
Open →
AstroBin
Community
Astrophotography's default gallery + gear database.
10,000+
Stated · active members daily
Tiny niche; storage costs climb as it grows.
★ The edge: Members' photos double as a gear database - the reference imagers check before spending thousands on a scope.
Open →
Bandcamp
Marketplace
Fans buy music direct — and artists keep about 82%.
$1.3B+
Stated · paid to artists to date
Streaming gravity caps the ceiling
★ The edge: fans buy music direct instead of streaming pennies — revenue rises only when the artist's does.
Open →
BeatStars
Marketplace
Where a $30 beat becomes a No.1 record.
$400M+ to creators
Stated · lifetime GMV, not revenue
Producers multi-home; little lock-in.
★ The edge: An ex-distribution insider turned a beat-curation blog into the marketplace where unknown producers sell No.1 hits.
Open →
Browserless
Dev
Headless browsers as an API, rented by the second.
$4M
Stated · ARR, no funding raised
Commodity infra; Google already cloned it.
★ The edge: Eight years answering Puppeteer bug threads and blogging made him the browser-infra name devs reach for first.
Open →
Bushel
SaaS
Half of North America's grain runs on Bushel.
50%+ of US/Canada grain
Stated · revenue never disclosed
One commodity, one continent, big-ag backers.
★ The edge: Built for the grain elevators everyone found too boring. Farmers use it free; the facilities pay to reach them.
Open →
Business Infusions
SaaS
The tool one horse hospital built, sold to its rivals
400+ vet practices
Stated · revenue never disclosed
Tiny, finite equine-vet market
★ The edge: Born as one horse hospital's own software, it fit equine work the small-animal vet giants never built for.
Open →
Buzzsprout
SaaS
The friendly way to host and grow a podcast.
115,000+ podcasters
Stated · revenue never disclosed
Copyable product; Spotify hosts free.
★ The edge: No technical moat in podcast hosting, so it won the beginner on simplicity, human support, and a free tier.
Open →
CardPointers
SaaS
One dev turns credit-card nerds into paying fans.
$200M+ saved for users
Estimate · revenue never disclosed
Lifetime plans trade recurring for cash.
★ The edge: Serves obsessive rewards hobbyists a solo dev knows cold; costs of a few hundred a month make it near-pure profit.
Open →
Cars & Bids
Marketplace
A car YouTuber turned 5M fans into an auction house.
$675M GMV
Estimate · cumulative, not revenue
Capped fee; the brand is one man.
★ The edge: Bring a Trailer owns pre-1990 classics; Cars & Bids won modern enthusiast cars via Doug's free 5M audience.
Open →
CellarTracker
Community
The shared cellar book wine geeks all write in.
Undisclosed
· estimate withdrawn
A wine cellar is a niche, however deep it runs.
★ The edge: Millions of community tasting notes — a bigger wine-review database than every pro critic combined, and free to build.
Open →
CoinTracking
SaaS
Built the crypto tax plumbing before the IRS ruled
2.2M+
Stated · active users
Churns hard in every crypto bear market
★ The edge: Every crypto disposal is taxable by law, so the report is mandatory - and CoinTracking owns the messy import plumbing.
Open →
Collabstr
Marketplace
Book a creator like you book an Airbnb.
8 figures
Estimate · reported revenue, $0 raised
Repeat deals can leak off-platform.
★ The edge: Programmatic SEO — a page per niche + city — funnels buyer intent into a marketplace already stocked with creators.
Open →
Commusoft
SaaS
Bootstrapped 20 years selling to plumbers and HVAC firms.
10,000+ pros
Stated · revenue never disclosed
One country's rules; slow, quote-only sales.
★ The edge: Generic job apps skip UK trade compliance — gas certs, service contracts, planned maintenance. Built for it.
Open →
CompanyCam
SaaS
A roofer built the photo app trades now live in.
170,000+ contractors
Stated · paying pros
Low tech barrier; one vertical ceiling.
★ The edge: Every crew already shoots job photos. CompanyCam made them timestamped, GPS-tagged proof, synced to everyone.
Open →
DealCheck
SaaS
The spreadsheet-killer for property investors.
350,000+
Stated · users
Entry low
easy to clone
easy to clone
★ The edge: Founder is a 40-unit investor who built his own tool — trust no VC-funded rival can fake.
Open →
Deque Systems
SaaS
The accessibility test engine Google & MS use.
3 billion+ axe downloads
Stated · revenue never disclosed
Services-heavy; the engine is free.
★ The edge: Deque owns axe-core, the free engine inside Google Lighthouse and Microsoft's tester. Rivals ship its code.
Open →
Dub
SaaS
Free short links. The money's in the attribution.
$10M
Stated · paid to partners (not rev)
Redirect is a commodity anyone can clone.
★ The edge: Bundles branded links, conversion attribution and affiliate payouts in one open-source stack shorteners never built.
Open →
Dubsado
SaaS
Photographer + dev spouse. 30k paying creatives.
30,000+ customers
Estimate · paying
Complex; casual users bounce off setup.
★ The edge: The founder was the customer: a working photographer whose dev husband coded the deep workflows power users craved.
Open →
Equalize Digital
SaaS
The anti-overlay accessibility checker for WordPress.
10,000+
Stated · active WordPress installs
WordPress-only; plugin still trails services.
★ The edge: She runs the WordPress Accessibility Meetup and Accessibility Day conference — she owns the audience she sells to.
Open →
ExpressTruckTax
SaaS
E-file the truck tax the IRS forces on every big rig.
Undisclosed
· figure withdrawn
Just a $15 one-time fee — easy to undercut.
★ The edge: Federal law makes every heavy truck file Form 2290 yearly. ExpressTruckTax became the default place to do it.
Open →
Fathom Analytics
SaaS
When EU law bans Google Analytics, you buy this instead
Undisclosed
· bootstrapped & profitable
Most sites still risk it with free GA4.
★ The edge: EU regulators ruled Google Analytics illegal, turning the free market leader into a legal liability. Fathom is the fix.
Open →
Fibery
SaaS
An operating system for orgs run by nerds
+85% MRR in 2025
Stated · growth
Horizontal tool, same buyer as Notion
★ The edge: Dubakov sold Targetprocess to Apptio, so Fibery could spend three years building an engine before charging.
Open →
flomo
SaaS
A note app that wins by doing deliberately less.
1M+ users
Stated · revenue never disclosed
⚠ Entry low
a note app clones in a weekend
a note app clones in a weekend
★ The edge: Cold-started on Product Thinking, the founder's paid newsletter — the audience existed before the product.
Open →
Foundry VTT
Marketplace
The virtual tabletop you buy once, not rent.
100K
Stated · Discord community members
Owners buy once - little recurring revenue.
★ The edge: Buy-once $50 license in a subscription world; users self-host, so Foundry's server costs stay near zero.
Open →
GTO Wizard
SaaS
The cloud solver that made poker study a subscription
Undisclosed
· figure withdrawn
Niche market; regulation can shrink demand
★ The edge: Turned a slow $249 desktop solver into instant cloud answers you rent monthly — no costly PC, every spot presolved.
Open →
HeadshotPro
SaaS
One SEO play turned selfies into 250K paying customers.
250,000+ customers
Stated · revenue never disclosed
AI headshots are now a crowded price race.
★ The edge: A prior 7-figure AI exit gave him the audience, cash and SEO playbook to ship HeadshotPro in about a month.
Open →
Hnry
SaaS
Tax is mandatory. Hnry auto-files it for 1%.
$2.6B/yr
Estimate · processed
Each new country = a new tax license.
★ The edge: Not accounting software you operate — a registered tax agent that auto-pays and files, so you never touch it.
Open →
iClassPro
SaaS
The software a gymnastics-gym owner built for himself.
$5.7M+ ARR
Estimate · Latka est.
Crowded niche; Jackrabbit pioneered it.
★ The edge: A national-champion coach who owned a gym built the tool he needed, then won schools on trust and support — not ads.
Open →
ImportYeti
Data
Find any company's overseas suppliers — free.
2M+ users
Stated · free + paid
⚠ Control low
$0 raised · about $1M est
$0 raised · about $1M est
★ The edge: the data was free all along — he made it usable where rivals charged $125–899/mo.
Open →
Kagi
SaaS
The search engine its own users paid to build.
50,000+ members
Stated · revenue never disclosed
Few people will ever pay for search.
★ The edge: You pay, so Kagi serves you, not advertisers — an incentive Google can't copy without wrecking its ad revenue.
Open →
KnowledgeOwl
SaaS
Two support staff bought the tool they built at work
1,333 customers
Stated · revenue never disclosed
Revenue never published; scale unclear.
★ The edge: Support pros built the tool for themselves, then bought it. Every feature request comes from a job they used to do.
Open →
Koinly
SaaS
Your crypto trades in, a ready-to-file tax report out.
2M+
Stated · users
Demand rises and falls with crypto prices.
★ The edge: 800+ exchange, wallet and chain integrations turn years of messy trades into ready-to-file forms for 20+ countries.
Open →
LeadDelta
SaaS
The LinkedIn CRM that won Product Hunt twice.
40,000+ users
Stated · revenue never disclosed
One platform's rules decide if it works.
★ The edge: Sells to people who live on LinkedIn but refuse to spam it — organize the network you earned, not blast strangers.
Open →
Letterboxd
Community
Books had Goodreads. Film buffs built their own.
29M+ members
Estimate · revenue never disclosed
About 4% pay; the other 96% cost to serve.
★ The edge: Cactuslab, the founders' web studio, bankrolled eight loss-making years until the film-diary habit was too entrenched.
Open →
Ludus
SaaS
Free ticketing for theaters. The fan pays the fee.
5,000+ orgs
Stated · revenue never disclosed
Growth tied to add-on fees fans could resent.
★ The edge: Ticketmaster and Eventbrite chase arenas and festivals. Ludus took the schools and small theaters they skip.
Open →
M
Match Play Events
SaaS
The default software for pinball tournaments
25,000
Stated · registered users
Tiny hobby market caps the revenue ceiling.
★ The edge: Owns pinball's tournament data and feeds results into IFPA's global rankings, so every serious event runs on it.
Open →
Niche Academy
SaaS
Ready-made training the library never had time to build.
1,700+ orgs
Stated · revenue never disclosed
Thin public-library budgets limit growth.
★ The edge: The founder grew up inside library software — his father co-founded Dynix — so content and trust came built-in.
Open →
Ontraport
SaaS
A CRM built in a yurt, grown with no VC money.
$20.4M ARR
Estimate · est. ARR; never disclosed
Customer base roughly flat for a decade.
★ The edge: Bootstrapped on a trader's savings, it hit 383% 3-yr growth and made the Inc. 500|5000 three years straight.
Open →
OpenSanctions
Data
Banks must screen. He open-sourced the whole list.
650+ clients
Stated · revenue never disclosed
The data is open, so nobody is locked in.
★ The edge: The sanctions lists are free government files. Turning 410+ of them into one clean, current feed is the product.
Open →
OpenSnow
SaaS
Skiers pay for the one forecast they trust.
$0
Stated · outside capital raised
Free AI weather may erase the edge.
★ The edge: Free weather is everywhere; they sell trust: a decade of accurate powder calls from named meteorologists.
Open →
Pest Share
Marketplace
Pest control, sold by the lease, not the visit.
$28M Series A
Stated · raise
Depends on a provider network it doesn't own.
★ The edge: Rivals sell dispatch software to pest firms. Pest Share sells the coverage to landlords and owns the renter.
Open →
Pool Brain
SaaS
Pool software built by a guy who ran 20 trucks.
$440K
Estimate · ARR (est) · $0 raised
Thin, seasonal, US-only pool TAM
★ The edge: Built the tool to fix his own 20-truck pool company first, then sold that hard-won depth to peers.
Open →
PredictWind
SaaS
America's Cup weather tech, sold to every sailor.
1M+
Stated · users (Dec 2023)
Free rivals like Windy commoditize the data.
★ The edge: Licensed the exact weather models that won the America's Cup, then sold them to every cruiser for $29-499 a year.
Open →
PriceCharting
Data
Turns every eBay sale into the price of every game.
3.5M
Stated · monthly users
Its whole dataset rents eBay's sale feed.
★ The edge: 18 years of completed eBay sales, auto-graded into the one price dealers quote — a time-series rivals can't rewind.
Open →
PriceLabs
SaaS
Hosts priced flat. They sold them airline pricing.
600,000+ listings/day
Stated · revenue never disclosed
Leans on Airbnb and VRBO staying open.
★ The edge: Every host set one flat nightly rate. PriceLabs aimed airline-grade demand pricing at short-term rentals.
Open →
ProShop ERP
SaaS
They ran the machine shop first. The ERP came second.
7 yrs
Estimate · revenue never disclosed
Every rollout needs hands-on implementation.
★ The edge: Fifteen years running their own machine shop, so the software already knew how a shop actually works.
Open →
ProSpend
SaaS
Bootstrapped expense tool to 1,000 customers, no VC.
1,000 customers
Stated · revenue never disclosed
Small ACVs; crowded, low-moat spend market.
★ The edge: Built one of Australia's first expense tools, then widened from expenses to full spend management as clients grew.
Open →
Qualio
SaaS
No QMS, no FDA clearance. So life-sci firms all buy one.
700+ customers
Stated · revenue never disclosed
Startups churn; big pharma stays on Veeva.
★ The edge: The FDA and ISO 13485 mandate a documented, audited QMS. Qualio is the system of record every audit runs on.
Open →
Quiver Quantitative
Data
The tool that tracks Congress's stock trades.
$2M+ ARR
Stated · profitable · 750K users
The data is public — anyone can copy it.
★ The edge: The data is public; the product is the pipeline plus the brand. CNBC, Bloomberg and the FT cite them for free.
Open →
Ravelry
Community
Knitting's community — run profitably by about four.
9M+ members
Stated · revenue never disclosed
One niche · community-dependent
★ The edge: it earns from its own members (self-served ads) at about 3.5% — aligning beat taxing the crowd.
Open →
ReciPal
SaaS
FDA labels are the law - he made them $59.
Thousands
· food businesses, 10+ yrs
Scale Low
tiny, price-capped niche
tiny, price-capped niche
★ The edge: The FDA mandates the label. ReciPal sells it at $59, not the $5,000 lab-software incumbents charge.
Open →
RightTool
SaaS
The power-user layer QuickBooks never built.
40,000 users
Estimate · revenue never disclosed
Wholly dependent on Intuit's goodwill.
★ The edge: Hector Garcia's 337k-sub QuickBooks YouTube channel supplies the buyers; the audience predates the product.
Open →
Rock Gym Pro
SaaS
Gave it away on a forum. Became the standard.
200+ facilities
Stated · revenue never disclosed
The whole market is a few thousand gyms.
★ The edge: Climbing-only workflow — day passes, waivers, liability — that generic studio software never bothered to build.
Open →
Roll20
SaaS
Where 10 million play D&D without a table.
10M+
Stated · registered users
warn Control low
rides on D&D's IP
rides on D&D's IP
★ The edge: A $40K community Kickstarter turned into the default browser table for D&D — no install, just a link.
Open →
ServiceCore
SaaS
Back office for porta-potty and dumpster haulers.
$400M+ billed
Estimate · billed; co rev undisclosed
Niche is small; growth needs M&A.
★ The edge: Horizontal field-service tools skip waste math: on-site units, pump routes, roll-off swaps. ServiceCore built that.
Open →
ServiceM8
SaaS
Job software for tradies, built Apple-first.
$50B+
Stated · in jobs billed (not revenue)
iOS-only long capped its market reach.
★ The edge: Kim ran a locksmith; the paperwork pain was his. Son Ben, an engineer, built the software fix.
Open →
Shodan
Data
Google indexes web pages. Shodan indexes devices.
3M+
Stated · registered users
Key-person lean; Censys cloned it with VC.
★ The edge: A 15-year, continuously-crawled index of every service on the public internet — a dataset newcomers can't back-fill.
Open →
Showit
SaaS
The website builder photographers actually evangelize.
50,000 customers
Stated · customers
Crowded space; giants beat it on price.
★ The edge: Photoshop-like design freedom Squarespace and Wix don't offer; a designer template market does the selling.
Open →
Skeb
Marketplace
Commission Japanese artists - no chat, no revisions
3.5M+
Stated · registered users
Thin take rate; niche tied to anime fandom
★ The edge: By banning revisions and client chat, it removes scope creep and harassment for artists, so more artists sign up.
Open →
Skimmer
SaaS
The default app for the guy who cleans your pool
$74M raised '24
Stated · ARR private (est $5.7M)
One trade, mostly US: finite TAM.
★ The edge: An engineer rode along with a pool pro, so Skimmer bills per pool and logs chemistry like the trade does.
Open →
Stackby
SaaS
A spreadsheet whose columns pull live data from APIs
75,000 companies
Stated · revenue never disclosed
Horizontal tool, so no niche protects it.
★ The edge: Its columns call third-party APIs and refresh on their own. Rivals make you build that integration yourself.
Open →
Stock Alarm
SaaS
An app that phones you when your stock hits your price
$500,000 exit
Estimate · revenue never disclosed
A feature big brokers can ship for free.
★ The edge: It calls your phone. Push alerts get ignored; a ringing phone does not, so traders pay $4.99-19.99/mo for it.
Open →
Stora
SaaS
The operating system for staff-free self-storage.
$3M
Estimate · ARR (est.)
Small niche; Storable owns the incumbents.
★ The edge: He built it to run his own unstaffed storage site — then sold it to every operator chasing the same automation.
Open →
The StoryGraph
Community
The Goodreads escape hatch readers actually love.
5M+
Stated · user signups
Consumer freemium: most users never pay.
★ The edge: Bootstrapped and ad-free, it ships the mood, pacing, and privacy features Goodreads ignored for a decade.
Open →
Superhive
Marketplace
Blender is free. Its add-on market paid out $51M.
$51,056,880 to creators
Stated · revenue never disclosed
Blender Foundation owns brand and channel
★ The edge: CG Cookie taught Blender to the community from 2008. The market launched in 2014 to an audience it already had.
Open →
Tax1099 (Zenwork)
SaaS
The IRS made e-filing mandatory. They sell the button.
$163M
Stated · raised, first outside round
The IRS offers the same filing free (IRIS).
★ The edge: IRS-authorized transmitter status is a licensed moat; QuickBooks, Xero and Bill embed its filing button.
Open →
Time To Pet
SaaS
Built for pet sitters. First customer became cofounder.
4,500+ businesses
Stated · customers
Small TAM; Rover owns the pet parent.
★ The edge: Bootstrapped 8 years in a niche too small for VCs. Won 4,500+ pet-care firms, sold to DaySmart in 2024.
Open →
UDisc
SaaS
The scoreboard for 90% of disc golfers.
1.4M
Stated · yearly app users
Niche ceiling: about 1.4M players, $30/yr.
★ The edge: Gave scorekeeping away free for a decade; the course database it created is now a moat no rival can buy.
Open →
Whatnot
Marketplace
Turned collectors into a live shopping channel.
$3B GMV
Estimate · 2024 · goods sold, not revenue
Sales concentrated in collectibles
★ The edge: Collectors already lived for the hunt; Whatnot gave them a live auction and kept a cut of every sale.
Open →
Wisesheets
Data
Institutional-grade stock data for $5 a month.
70,000+
Stated · users
Rents its data from upstream APIs.
★ The edge: Sells the data inside Excel and Sheets, so investors never leave the workflow they already model in.
Open →
World Anvil
SaaS
Build your fictional world — a wiki for writers & GMs.
3M+
Stated · users
⚠ Need niche
small TAM · free-heavy
small TAM · free-heavy
★ The edge: anyone can clone a wiki — the lock-in is years of your interlinked lore living inside it, plus a 3M community.
Open →
Yodeck
SaaS
Free Raspberry Pi player, $8 a month per screen.
350,000+ screens
Stated · revenue never disclosed
Never published a revenue figure.
★ The edge: Ships a free player it never touches: Raspberry Pi units drop-shipped straight from regional suppliers.
Open →
Zamp
SaaS
A 2018 court ruling made sales tax everyone's problem.
Mid-millions ARR
· ARR, founder-stated 2024
Managed ops cap margins vs pure software.
★ The edge: Wayfair forced 12,000+ US tax jurisdictions onto every online seller; Zamp files and remits so they never touch it.
Open →