Explore · The library

Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. A tactical timeline you can benchmark your own build against. intro.co Article · How Founders Use AI How Base44 got acquired in 500 days Intro
  2. Solo, no employees, AI-built products: the revenue proof. levels.io Article · How Founders Use AI I hit a new $420,000/mo revenue record Pieter Levels
  3. Video · How Founders Use AI From 0 to $15M ARR in 3 months | Mukund Jha, CEO of Emergent Mukund Jha interview
  4. Defensibility and unit economics of the fastest-scaling company ever. podcasts.apple.com Podcast · How Founders Use AI 20VC: Lovable CEO Anton Osika on $120M ARR in 7 months 20VC (Harry Stebbings)
  5. Revenue milestones with headcount: 45 people at $100M ARR. getlatka.com Article · How Founders Use AI How Lovable hit $100M revenue in 8 months GetLatka
  6. Seven years of grind before the five-month explosion: the real arc. iheart.com Podcast · How Founders Use AI Bolt.new CEO Eric Simons: one of the fastest growing AI companies World of DaaS (Auren Hoffman)
  7. How usage-based AI pricing built a rocket. open.spotify.com Podcast · How Founders Use AI From 0 to $40M in 5 months: the Bolt.new story Eric Simons interview
  8. Video · How Founders Use AI Stop vibe coding. Start getting customers. Greg Isenberg
  9. A concrete, copyable customer-acquisition playbook. x.com Thread · How Founders Use AI How to grow your vibe-coded SaaS with creators + YouTube Greg Isenberg
  10. The updated numbers a year on, with playbook extraction. startupriders.com Article · How Founders Use AI Lovable's growth playbook: 0 to $400M ARR in 14 months Startup Riders
  11. The launch post for the most complete prompt-to-App-Store path. blog.replit.com Article · How Founders Use AI Mobile Apps on Replit: idea to App Store in minutes Replit
  12. Describe, preview on your phone, publish: the product page. replit.com Tool · How Founders Use AI Replit Mobile Apps Replit
  13. The official how-to, including TestFlight submission. docs.replit.com Guide · How Founders Use AI Building mobile apps (Replit docs) Replit
  14. What real users shipped, straight from the product team. blog.replit.com Article · How Founders Use AI Building mobile apps on Replit: case study + inside look Replit
  15. The framework powering it explains the pipeline. expo.dev Article · How Founders Use AI From idea to app with Replit and Expo Expo
  16. Video · How Founders Use AI AI mobile app development with Replit and Expo Expo
  17. Video · How Founders Use AI Build mobile apps with Replit AI agent: full tutorial Independent builder (YouTube)
  18. The sober market data before you bet on a niche tool. techcrunch.com Article · How Founders Use AI Dedicated mobile apps for vibe coding have so far failed to gain traction TechCrunch
  19. Build a mobile app from your phone; 40,000+ apps created. vibecodeapp.com Tool · How Founders Use AI Vibecode: AI mobile and web app builder Vibecode (Riley Brown)
  20. Try the build-an-app-inside-an-app experience yourself. apps.apple.com Tool · How Founders Use AI Vibecode on the App Store Vibecode
  21. A no-code educator's picks for non-technical founders. nocode.mba Article · How Founders Use AI 4 best AI mobile app builders (iOS and Android) No Code MBA
  22. A second, more critical opinion on Rork's output quality. rapidevelopers.com Article · How Founders Use AI Rork AI review: what it is and how it works RapidDev
  23. See how these builders work under the hood, free and open. github.com Tool · How Founders Use AI vibra-code: open-source AI app builder for mobile sa4hnd (GitHub)
  24. The most-watched mobile vibe-coding educator, constantly updated. youtube.com Video · How Founders Use AI Riley Brown's channel: mobile vibe coding tutorials Riley Brown

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The hubs