Companies & Indie SaaS (377)

Builders of X tracks 377 published companies built by solo founders and tiny teams, with source-reported revenue for each. Business models on this page include subscription (17), freemium (3), one time (2). Every company page shows what the product does, its reported MRR, its founders and whether you could build a comparable version with AI tooling. Data is source-reported, never invented, and missing figures stay missing.

Frequently asked questions

How many companies are listed?

377 published companies, counted live from the directory database right now.

Which company has the highest reported MRR?

Cal AI currently leads the list with $4.2M/mo reported, ranked by source-reported monthly recurring revenue.

How is company revenue verified?

Revenue figures are cross-verified through founder disclosures, public revenue leaderboards, and direct community submissions, and are not independently audited. Each company page names its source.

Can I add my own company?

Yes — submit your app from the Submit App page. The team reviews the revenue source and publishes verified companies to this directory.