Easy to copy. Won anyway.
Anyone could have built these. The moat was never the code — it was distribution, timing, or trust.
86 teardowns · Under $1MChasing clients for files, bottled and sold monthly.
Private multiplayer servers for survival gamers.
Killed the platform, built free tools to get found.
Self-taught solo dev out-SEO'd Hootsuite to $74K MRR
Collect testimonials, embed a Wall of Love.
AI LinkedIn writer sold to its founders' 585K fans.
HIPAA compliance built for SMBs, not hospitals.
An audience turned a me-too tool into a $725K exit.
One-click lesson feedback for ESL teachers
Bought his rival at $25K MRR; it's now the bigger one.
The class-pass tool for studios Mindbody overwhelms.
Google Analytics got banned in the EU. He sold the fix.
Solo founder, image API, $50K a month.
Chat with your PDFs - a $20K buy now doing $50K/mo.
The agency's referral tool that sold twice.
A free Slack for content marketers, monetized 4 ways.
Free French company data. The paying 1% funds it all.
The cookie banner the law made you add.
banner is a commodity
PDF bank statements in, clean spreadsheets out.
a script anyone can copy
Leads on startups that just raised, for agencies.
Build the HACCP plan the law demands — in an hour.
crowded HACCP field
A boring store-locator, built to be bought.
A face-shape app with 96% margins and zero ad spend.
Schedule one post to every platform, no bloat.
Power-user budgeting, at a price you choose.
Sold two-thirds of his app to get an audience.
No-bloat newsletters. Flat price, 0% author cut.
Matched startups to designers. Zero ad spend to $32K/mo.
Ex-Uber consultant sold his playbook to the next wave
The power-user UI ChatGPT forgot to build.
A $4 link page quietly clearing $25K a month.
The marketplace matching newsletters with brands.
platforms can build it native
Ties every signup back to the tweet that sold it.
Monthly 1:1 mentorship from people who've done it.
He sold Tweet Hunter for $8M. A partner rebuilt this one.
Bootstrapped solo, sold for $250K — it ran itself.
The browser countdown timer behind SpaceX shows.
Turned a tweet scheduler into an AI content studio
Passive Instagram growth SaaS. Sold for $300K.
A $29 Typeform rival that turns free forms into ads.
Paid bookmarking, one guy, no VC — profit is the pitch.
He podcasted 280 episodes, then sold the tool.
The simple site builder that sold for $800K.
Auto-pins your blog to Pinterest for free traffic
Monthly mentors, not one-off gigs — built solo in Japan
Remote jobs board grown from a niche newsletter.
Open-source AI for email. The license is the paywall.
Two failed founders built the AI cofounder they wanted.
Sold for $300K on $6,300 MRR and 2 hrs a week.
Sell part of your SaaS — cash out, keep control.
buyer pool owned by rivals
Reservable truck parking on other people's lots.
Bootstrapped clinic software, built with an osteopath.
Blogging stripped to words. No JS, no trackers.
AI turns any product into a Shopify store in 2 minutes
The job board that rode the 2017 crypto gold rush.
The indie-games job board built by a 20-year insider.
AI support agent that plugs into Intercom or Zendesk
crowded; incumbents bundle it
Open-source no-code chatbot builder, run solo.
Where photographers buy and sell presets.
Where junior devs practice on real design files.
One dev sells the screenshot infra devs hate running
clones undercut 2-4x
Gets clients to explain their mystery transactions.
Wrapped Notion pages. Sold for $60k in one month.
A 'poor man's Loom,' flipped for about 1.7x.
Scheduling built for the guest, not the host.
One index for every niche job board on the web.
Built to run his own contracting firm. Now 7,500 use it.
Deadline software for accounting firms.
clones everywhere
Thread scheduling for X, born from one tweet.
Run a coaching business from one $57/mo app.
crowded coaching-CRM niche
Turns emails and PDFs into structured data, no code.
One bootstrapper's $10 answer to DocuSign.
GDPR forced a banner. He already owned the audience.
The friendly way to host and grow a podcast.
The spreadsheet-killer for property investors.
easy to clone
Photographer + dev spouse. 30k paying creatives.
The anti-overlay accessibility checker for WordPress.
One SEO play turned selfies into 250K paying customers.
Two support staff bought the tool they built at work
The LinkedIn CRM that won Product Hunt twice.
Skiers pay for the one forecast they trust.
Bootstrapped expense tool to 1,000 customers, no VC.
The website builder photographers actually evangelize.
An app that phones you when your stock hits your price
Built for pet sitters. First customer became cofounder.
Free Raspberry Pi player, $8 a month per screen.