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Startup ideas with revenue receipts, reverse-engineered from founder interviews.

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TierT1T2T3EvidenceVerifiedFounderCreatorUnprovenEvergreenWindow
Directory Site ↓
AI ContentAI E-commerceAI ServiceAI WebsiteConsumer AppDigital PublishingDirectory SiteEcosystem ToolPlatform PluginSaaSScale ReferenceSimple Tool⚠️ Cautionary Tale
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RevenueIdeaCategory · Evidence · Difficulty
#1
$34,000-35,000/moT2
Cursor Directory (cursor.directory)
Spotted mid-flight that Cursor developers had nowhere central to find “rules,” hacked together a directory site in 3 hours after landing, and rode X + Hacker News + organic YouTuber coverage to $34-35K/mo at 99.8% margin — on 3 hours of maintenance a month.
Directory SiteT2
Directory Site
#2
~$8K-10K/moT2
Uneed Launch Platform (Uneed / Product Hunt alternative, Thomas)

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An indie-hacker launch platform shipped exactly when Product Hunt had everyone furious — the first product to work after 30+ failures.
Directory SiteT2
Directory Site
#3
~$17KT3
TrustMRR, an Acquisition Marketplace for Indie Startups (TrustMRR by Marc Lou)
A small startup buy-and-sell marketplace built in 8 hours, iterated on user demand, pushed to nearly $20K MRR on a 3% deal fee plus paid featured listings
Directory SiteT3
Directory Site