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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. The official path to prompt-generating polished React interfaces. vercel.com Course · How Founders Use AI UI with v0 (Vercel Academy) Vercel
  2. The strategic deep-dive on where AI coding tools are heading. stratechery.com Article · How Founders Use AI An interview with Cursor co-founder and CEO Michael Truell about coding with AI Ben Thompson (Stratechery)
  3. A gentle written on-ramp if video tutorials are not your thing. thepromptwarrior.com Guide · How Founders Use AI Cursor AI Tutorial For Beginners The Prompt Warrior
  4. The most famous ship-fast story, with the receipts and the prompts. levels.io Article · How Founders Use AI fly.pieter.com: my vibecoded flight simulator that hit $1M ARR in 17 days Pieter Levels
  5. Solo founder to $1M ARR in three weeks, told step by step. lennysnewsletter.com Podcast · How Founders Use AI The Base44 bootstrapped startup success story | Maor Shlomo Lenny's Podcast
  6. Watch an idea become a vibe-coded prototype live in under an hour. open.spotify.com Podcast · How Founders Use AI How to build a $1M+ startup using AI (full tutorial) My First Million (Sam Parr + Greg Isenberg)
  7. Karpathy ships a real paid app and candidly logs every speed bump. karpathy.bearblog.dev Article · How Founders Use AI Vibe coding MenuGen Andrej Karpathy
  8. An unvarnished budget, timeline, and mistakes ledger from one founder. hackernoon.com Article · How Founders Use AI I spent 30 days vibe coding an MVP, burned $127, broke everything, found PMF HackerNoon contributor
  9. Honest about what AI accelerated and what it did not. indiehackers.com Article · How Founders Use AI I shipped a productivity SaaS in 30 days as a solo dev Indie Hackers community
  10. A replicable evening-long workflow breakdown, tool by tool. forum.cursor.com Article · How Founders Use AI Built a full SaaS MVP in one evening with Cursor + Claude Code Cursor community forum
  11. First line of code to hosted product in four documented days. medium.com Article · How Founders Use AI How I built a SaaS in 4 days using Cursor (step-by-step) Surendra Pandar
  12. Ten real builds dissected, including what shipped and what stalled. justinmckelvey.com Article · How Founders Use AI Vibe Coding Examples: 10 Real Projects Reviewed Justin McKelvey
  13. The viral proof that a non-coder can ship paid software (read the sequel too). x.com Thread · How Founders Use AI leo: 'my SaaS was built with Cursor, zero hand written code' Leo (Enrichlead)
  14. Includes the $37-to-launch invoicing tool story with real numbers. stormy.ai Guide · How Founders Use AI The Non-Technical Founder's Guide to Launching an MVP Stormy AI
  15. Documents the $456K ARR in 45 days Lovable outlier and the new normal. anything.com Article · How Founders Use AI What it means to be an indie hacker in 2026 Anything
  16. A four-stage process for using speed to validate before committing. blog.vibecoder.me Guide · How Founders Use AI Vibe coding for validation: test 10 ideas, build the right one Vibe Coder Blog
  17. Video · How Founders Use AI I built an AI SaaS with Claude Code: full architecture Independent builder (YouTube)
  18. What worked and what did not across a complete AI-only build. pub.towardsai.net Article · How Founders Use AI Zero hand-coding: I built a full-stack app using only AI Towards AI contributor
  19. Video · How Founders Use AI How I built an app with Lovable in under 1 hour Independent builder (YouTube)
  20. Video · How Founders Use AI How to build your first app with Lovable in just 10 minutes Independent builder (YouTube)
  21. The definitive essay on why the last 30% still needs engineering. addyo.substack.com Article · How Founders Use AI The 70% problem: hard truths about AI-assisted coding Addy Osmani (Google)
  22. When the biggest AI coding tool's CEO warns you, listen. fortune.com Article · How Founders Use AI Cursor CEO warns vibe coding builds 'shaky foundations' Fortune
  23. The world's best-known AI educator punctures the effortless myth. developers.slashdot.org Article · How Founders Use AI Andrew Ng: vibe coding is a bad name for a very real and exhausting job Slashdot / Andrew Ng
  24. The gold-standard RCT: AI made experts 19% slower while they felt faster. arxiv.org Article · How Founders Use AI Measuring the impact of early-2025 AI on experienced developer productivity (METR) METR

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
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