← All shelves
Still here after 15 years
Founded 2011 or earlier and still running. Survival is a fact; hype is not.
91 teardowns · $10M+Every teardownFortressesEasy to copy. Won anyway.Built on rented landNumbers straight from a filingDoesn't scale. On purpose.Still here after 15 yearsOne-time money
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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.
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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.
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