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