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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 clearest short explanation of why market category is one of five interdependent positioning pieces, with a real... aprildunford.com Article · 12 min read · GTM A Quickstart Guide to Positioning April Dunford In 11 answers
  2. The clearest short piece on how to think about giving up and holding equity, and why a smaller slice of a bigger outcome is the... paulgraham.com Essay · Wealth The Equity Equation Paul Graham In 11 answers
  3. The clearest, calmest case ever written for low cost index investing and leaving it alone. Global, but the mindset travels... jlcollinsnh.com Essay · Wealth The Stock Series JL Collins In 11 answers
  4. A plain-language India primer on what an ESOP actually is, how vesting and exercise work, and how it is taxed. ClearTax Article · Wealth What is an ESOP? Meaning, taxation, and how it works ClearTax In 11 answers
  5. The nuanced counterweight: PMF isn't a single binary moment, it can be lost, and 'market' is doing more work than founders... a16z.com Article · ~20 min read · Starting Up 12 Things About Product-Market Fit Andreessen Horowitz (a16z) In 10 answers
  6. Julian Shapiro's growth handbook frames brand and messaging as downstream of who you're for and what you replace, practical... julian.com Article · 20 min read · Starting Up Positioning (Startup Handbook: brand and marketing foundations) Julian Shapiro In 10 answers
  7. The most quoted essay on the mechanics of fundraising, distilled from YC Demo Day advice. It reframes fundraising as a sales... paulgraham.com Article · 45 min read · Starting Up How to Raise Money Paul Graham In 10 answers
  8. This is the canonical piece that put jobs to be done on the map, written by the people who coined it. It uses the famous... Harvard Business Review Article · ~20 min read · Starting Up Know Your Customers' Jobs to Be Done Clayton Christensen et al. In 10 answers
  9. The book that coined get out of the building and launched the customer development movement. Blank's core claim is that a... Wiley Book · Starting Up The Four Steps to the Epiphany Steve Blank In 10 answers
  10. Your first filter is whether this is a problem you understand, and this short essay is the clearest statement of why that... cdixon.org Essay · ~5 min read · Starting Up Founder/Market Fit Chris Dixon In 10 answers
  11. Deals with the four places positioning work actually stalls, including teams that cannot agree on their competitive... Lenny's Newsletter Newsletter · 18 min read · GTM A guide to advanced B2B positioning April Dunford In 10 answers
  12. The most thorough plain-language reference on vesting, cliffs, strike prices, and exercise windows. Read it once and stop being... Holloway Guide · Wealth The Holloway Guide to Equity Compensation Holloway In 10 answers
  13. The tax detail on REIT and InvIT payouts and gains, so you know what you actually keep before you invest. ClearTax Article · Wealth How REITs and InvITs are taxed in India ClearTax In 10 answers
  14. The primary-source telling of the milkshake story, the single most memorable illustration of Jobs to Be Done, straight from... HBS Working Knowledge Article · ~8 min read · Starting Up Clay Christensen's Milkshake Marketing Clayton Christensen (via Harvard Business School) In 9 answers
  15. The most practical guide to investor updates, from a company that exists purely to help founders send them. Concrete structure... Visible.vc Article · 15 min read · Starting Up How to Write the Perfect Investor Update (Tips and Templates) Visible.vc In 9 answers
  16. The definitive, data-driven book on early founding-team decisions, drawing on quantitative research covering nearly 10,000... Princeton University Press Book · ~480 pages · Starting Up The Founder's Dilemmas Noam Wasserman In 9 answers
  17. The definitive manifesto for building a 'calm company', remote-friendly, sustainable, and free of chronic overwork, from a team... 37signals Book · ~232 pages · Starting Up It Doesn't Have to Be Crazy at Work Jason Fried & David Heinemeier Hansson In 9 answers
  18. The definitive, brutally honest account of 'The Struggle', the emotional and operational reality of running a company when... HarperBusiness Book · long · Starting Up The Hard Thing About Hard Things Ben Horowitz In 9 answers
  19. Written by a clinical psychologist married to a serial entrepreneur, it pairs real psychological expertise with lived founder... sherrywalling.com Book · long · Starting Up The Entrepreneur's Guide to Keeping Your Sh*t Together Dr. Sherry Walling & Rob Walling In 9 answers
  20. The definitive founder essay on why raw ideas are worth very little and why secrecy is the wrong instinct. Graham's argument... paulgraham.com Essay · ~15 min read · Starting Up Ideas for Startups Paul Graham In 9 answers
  21. Before you build for a home market outside the big startup hubs, you need the real economics, and this is the essay that maps... Sajith Pai (Blume Ventures) Article · ~20 min read · Starting Up The Indus Valley Playbook Sajith Pai In 9 answers
  22. When there is no category report to point at, you have to build the number yourself, and this is the essay that teaches you... Andreessen Horowitz Essay · ~20 min read · Starting Up 16 More Startup Metrics Anu Hariharan, Frank Chen, Jeff Jordan In 9 answers
  23. This is the classic mental model for exactly your question: how customer count trades off against deal size. Janz maps five... The Angel VC Essay · ~12 min read · Starting Up Five ways to build a $100 million business Christoph Janz In 9 answers
  24. The whole worry in your question, that slicing smaller leaves too few buyers, is exactly what Moore's target customer... HarperBusiness (Collins Business Essentials) Book · Approx. 256 pages · Starting Up Crossing the Chasm, 3rd Edition Geoffrey A. Moore In 9 answers

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