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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 single clearest explanation of the two documents Indian founders confuse: the founders' agreement (equity, vesting, roles,... EquityList Article · 15 min read · Starting Up Founders' Agreement: Definition, Key Clauses, and Template for Indian Startups EquityList In 8 answers
  2. A one page template that forces you to write down the problem, the customer, and why you are placed to solve it, all on a... leanfoundry.com Template · one page · Starting Up Lean Canvas Ash Maurya In 8 answers
  3. A hands-on companion to The Mom Test with more structure on who to talk to and how to run the process. Alvarez is strong on... Cindy Alvarez Book · ~240 pages · Starting Up Lean Customer Development Cindy Alvarez In 8 answers
  4. A founder-friendly crash course on planning and running discovery interviews, with tactics from researchers at Zoom, Zapier,... First Round Review Article · 20 min read · Starting Up A UX Research Crash Course for Founders Jane Davis In 8 answers
  5. Consumer PMF advice does not map cleanly onto B2B, where deals are few, considered, and slow, which describes many Indian... Lenny's Newsletter Article · ~3,000 words · Starting Up A guide for finding product-market fit in B2B Lenny Rachitsky In 8 answers
  6. If you would rather hear the Pattern Breakers thinking as a conversation, this episode covers it with concrete stories and... Lenny's Podcast (lennysnewsletter.com) Podcast · ~90 min · Starting Up Pattern Breakers: How to find a great startup idea Lenny Rachitsky with Mike Maples Jr. In 8 answers
  7. Hall's book gives you the research discipline behind good interviewing: how to avoid leading a witness, how to write a... A Book Apart / Erika Hall Book · ~120 pages · Starting Up Just Enough Research Erika Hall In 8 answers
  8. Podcast · ~85 min · GTM Building a world-class sales org Jason Lemkin In 8 answers
  9. This is where the SDR and AE split came from, and the summary gives you the whole model without the book. The rule that no AE... Predictable Revenue Article · ~15 min read · GTM 15-Minute Summary of Predictable Revenue Aaron Ross In 8 answers
  10. Built from a masterclass with Mohit Garg, former CRO at MindTickle, and written for cross-border companies selling from India,... SeedToScale by Accel Article · long read · GTM SaaS Playbook: Sales Rachit Parekh In 8 answers
  11. The benchmark dataset for marketplace and co-sell: multi cloud sellers at 29% of revenue through marketplaces versus 3% for... Tackle Report · 25 min read · GTM The 2025 State of Cloud GTM Report Tackle In 8 answers
  12. The Gainsight CEO on why CS should own an NDR number rather than just a churn number, including the idea of giving every CSM... Gainsight Article · 8 min read · GTM 8 Things I Learned from Dave Kellogg About Net Dollar Retention Nick Mehta In 8 answers
  13. Ten specific, named mistakes rather than principles, including hiring a VP of Sales too early and letting a bad rep linger past... SaaStr Podcast · 30 min listen · GTM SaaStr Podcast #379: The Top 10 Mistakes Founders Make When Hiring Their First Sales Team Jason Lemkin In 8 answers
  14. The clearest arithmetic anywhere on rep economics: the rule of 10 for quota against base, four months to productivity, draws... Craft Ventures Essay · 12 min read · GTM Simple Math to Set Up a Sales Team David Sacks In 8 answers
  15. How to give Gemini an ongoing task on a schedule, such as watching prices or pulling cited research into a file, which is the... support.google.com Guide · How Founders Use AI Manage your tasks & workflows in Gemini Apps Google In 8 answers
  16. The fastest path from a spreadsheet to a polished mobile or internal app, used by 100k+ companies. When your data lives in... glideapps.com Tool · platform · Starting Up Glide, Apps From Spreadsheets Glide In 7 answers
  17. David Skok's For Entrepreneurs work is the foundational, near-universally cited source on SaaS unit economics and modeling.... forentrepreneurs.com Article · long-form reference · Starting Up SaaS Metrics 2.0, Detailed Definitions David Skok In 7 answers
  18. A focused a16z piece on the single ratio that most captures a business's efficiency and drives its valuation. Great for... a16z.com Article · article · Starting Up Why Do Investors Care So Much About LTV:CAC? Andreessen Horowitz (a16z) In 7 answers
  19. The definitive book on how VC deals really work, written by two Foundry Group VCs. It demystifies the term sheet term-by-term... Wiley Book · book (~300 pages) · Starting Up Venture Deals: Be Smarter Than Your Lawyer and Venture Capitalist Brad Feld & Jason Mendelson In 7 answers
  20. The largest and most credible free co-founder matching platform in the world, with vetted founders and 100,000+ matches made.... ycombinator.com Tool · Free platform, ongoing · Starting Up Y Combinator Co-Founder Matching Y Combinator In 7 answers
  21. CB Insights read hundreds of real startup postmortems and found that poor product-market fit (around 43 percent) is the single... CB Insights Article · ~15 min read · Starting Up The Top 12 Reasons Startups Fail CB Insights In 7 answers
  22. Seibel's whole point is that a market only counts once real customers are grabbing the product as fast as you can make it and... Michael Seibel (Y Combinator) Essay · ~4 min read · Starting Up The Real Product Market Fit Michael Seibel In 7 answers
  23. Video · ~10 min · Starting Up How to get your first ten customers Michael Seibel In 7 answers
  24. An Indian founder who actually built and scaled a SaaS business at home talks bluntly about pricing, instead of a generic... The Neon Show Podcast · Starting Up 7 Myths About Selling B2B SaaS In India (ft. Unicommerce founder Kapil Makhija) Siddhartha Ahluwalia (host), Kapil Makhija (guest) In 7 answers

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