Explore

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. 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
  2. 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
  3. Zerodha Varsity free module on how investment income is taxed in India: capital gains, holding periods, and turnover, in plain... Zerodha Varsity Course · Wealth Markets and Taxation Zerodha Varsity In 10 answers
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. A practical, listen-on-a-walk companion to Founding Sales where Kazanjy walks through the actual anatomy of a founder sales... First Round Review Podcast (In Depth) Podcast · ~60 min · Starting Up Founders: Here's How to Get Your Sales Pitch in Ship-Shape Peter Kazanjy (host: First Round) In 9 answers
  13. 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
  14. 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
  15. 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
  16. Before you spend a weekend guessing, Google Trends gives you a real, free read on whether interest in your idea is rising,... Google Tool · Starting Up Google Trends Google In 9 answers
  17. 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
  18. Once you know your curve should flatten, the next question is where it should flatten, and this piece answers it with concrete... Lenny's Newsletter Article · ~10 min read · Starting Up What is good retention? Lenny Rachitsky In 9 answers
  19. The global playbooks assume a US-style buying process; this one is written for the Indian enterprise reality, where the sale... Blume Ventures Article · 25 min read · Starting Up The Rough Guide to Building an Enterprise SaaS Dhandha in India Blume Ventures (with Aakrit Vaish, Haptik) In 9 answers
  20. Video · ~50 min · Starting Up Peter Thiel: Competition Is for Losers Peter Thiel In 9 answers
  21. Once you have a list of people to reach cold, this shows you how to write emails they actually answer. Seven concrete... Y Combinator Startup Library Video · ~33 min · Starting Up How to Convert Customers With Cold Emails Aaron Epstein In 9 answers
  22. A real company showing its ICP before and after, including the messy middle where they were guessing. The point that narrow... Product for Engineers (PostHog) Newsletter · ~12 min read · GTM Defining our ICP is the most important thing we ever did Andy Vandervell In 9 answers
  23. Covers ICP definition, the PBC structure for running a sales call, pilot design and weekly forecasting in one place, with... First Round Review Article · long read · GTM The Most Common Go-to-Market Questions This Expert Gets from Early Founders First Round Review with Emery Rosansky In 9 answers
  24. The reference explanation of all eight letters from the people who own the methodology, free to read. Use it as a deal... MEDDICC Article · long read · GTM MEDDIC / MEDDPICC Sales Methodology and Process MEDDICC In 9 answers

Show the next 24

The hubs

eChai Partner Brands The partnership →