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. 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
  2. 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
  3. 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)
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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)
  9. 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
  10. 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
  11. 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
  12. A working engineer's readable take on what the study does and does not prove. seangoedecke.com Article · How Founders Use AI METR's AI productivity study is really good Sean Goedecke
  13. How professionals actually draw the line between vibes and production. newsletter.pragmaticengineer.com Article · How Founders Use AI Vibe coding as a software engineer Gergely Orosz (The Pragmatic Engineer)
  14. The industry's most trusted engineering newsletter maps the real limits. newsletter.pragmaticengineer.com Article · How Founders Use AI How AI-assisted coding will change software engineering: hard truths The Pragmatic Engineer + Addy Osmani
  15. The SaaStr incident: what happens when an agent touches production. fortune.com Article · How Founders Use AI AI coding tool wiped out a software company's database in 'catastrophic failure' Fortune
  16. The technical blow-by-blow of the most instructive AI agent failure yet. theregister.com Article · How Founders Use AI Vibe coding service Replit deleted production database The Register
  17. Rescue engineering is now a job title; know why before you need one. developers.slashdot.org Article · How Founders Use AI The software engineers paid to fix vibe coded messes Slashdot
  18. Case studies of the $50K-500K cleanup invoices. techstartups.com Article · How Founders Use AI The vibe coding delusion: startups paying the price for AI-generated technical debt Tech Startups
  19. Unusually candid limits list from a vibe-coding platform itself. emergent.sh Guide · How Founders Use AI What are the limitations of vibe coding? Emergent
  20. The strongest steel-man of the skeptic case, worth absorbing. nmn.gl Article · How Founders Use AI Vibe coding is a dangerous fantasy Namanyay Goel
  21. Deflates the hype accounts so you can set honest expectations. theseniordev.com Article · How Founders Use AI 'Vibe-coding' influencers are ruining your life (the solo developer lie) theSeniorDev
  22. Hundreds of working engineers debate where the boundary really sits. news.ycombinator.com Article · How Founders Use AI Vibe code is legacy code (Hacker News discussion) Hacker News
  23. A balanced essay on capability versus responsibility. willem.com Article · How Founders Use AI Vibe Coding: on the power and danger of programming with AI Willem
  24. A code-review company catalogues the failure patterns it sees daily. coderabbit.ai Article · How Founders Use AI Vibe coding: because who doesn't love surprise technical debt!? CodeRabbit

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