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. The most-quoted primary source on why founders should launch fast and iterate, short, canonical, and from the co-founder of YC.... paulgraham.com Article · ~8 min read · Starting Up Startups in 13 Sentences Paul Graham In 8 answers
  2. The official, primary-source guide straight from Product Hunt, it dispels myths and sets realistic expectations, unlike the sea... Product Hunt Article · guide / multi-page · Starting Up Product Hunt Launch Guide Product Hunt In 8 answers
  3. 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 8 answers
  4. 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 8 answers
  5. The official front door for the most common sector licence founders need, food, plus a reminder that regulated sectors each... Government of India (foscos.fssai.gov.in / rbi.org.in) Tool · portal · Starting Up FoSCoS, Apply for FSSAI Licence / Registration & Sector Regulators FSSAI (and RBI for fintech) In 8 answers
  6. The dedicated on-ramp for DPIIT startups to list innovative products even without a pre-existing category, and the mechanism... gem.gov.in Tool · program page + onboarding · Starting Up GeM Startup Runway, Sell Directly to Government Buyers Government e-Marketplace (GeM) In 8 answers
  7. Video · ~20 min · Starting Up How to do customer interviews? | Rob Fitzpatrick, author of "The Mom Test" Rob Fitzpatrick In 8 answers
  8. 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 8 answers
  9. Judging whether people will actually change their behavior comes down to how well you can hear intensity in what they say, and... deployempathy.com Book · Full book, roughly 250 pages · Starting Up Deploy Empathy: A Practical Guide to Interviewing Customers Michele Hansen In 8 answers
  10. Pete Kazanjy is blunt about defining a tight ICP from real signal (who actually buys and closes) rather than from who you wish... Lenny's Podcast Podcast · About 90 minutes · Starting Up Founder-led sales | Pete Kazanjy (Founding Sales, Atrium) Lenny Rachitsky (host), with Pete Kazanjy In 8 answers
  11. When you are the only one selling something like your product, cost-plus and competitor benchmarks give you nothing to anchor... Wiley (2016) Book · Book, ~240 pages · Starting Up Monetizing Innovation: How Smart Companies Design the Product Around the Price Madhavan Ramanujam and Georg Tacke In 8 answers
  12. Once you have negotiated the pool size, this is the guide that stops the pool from becoming a tax trap for the very employees... Treelife Article · 25 min read · Starting Up ESOP Taxation in India: Complete Guide for Founders and Startups Treelife In 8 answers
  13. This is the checklist and the template in one, written for Indian Pvt Ltd reality, not a US Delaware copy-paste. It walks all... iPleaders Template · 25 min read · Starting Up Co-Founder Agreement for Indian Startups: Clauses and Template (2026) iPleaders In 8 answers
  14. The government's own comparison, and it leads with the exact filter you need: if you are raising funding, the decision is made... Startup India Article · 12 min read · Starting Up Types of Businesses (Sole Proprietorship, LLP, Private Limited, OPC) Startup India (DPIIT) In 8 answers
  15. 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
  16. 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
  17. 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
  18. 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
  19. Google's own guidance for site owners on how pages appear in AI Overviews and AI Mode, and how to measure and control that. Google Article · 8 min read · Starting Up AI features and your website Google Search Central In 8 answers
  20. An August 2026 guide to the Legal Metrology rules every packed product meets: the Rs 500 one-time registration for... calcguru.in Article · 12 min read · Starting Up Legal Metrology and LMPC registration in India 2026 CalcGuru In 8 answers
  21. A state Legal Metrology department's own FAQ: who counts as a packer, the declarations every pre-packed commodity must carry,... weightnmeasures.delhi.gov.in Article · PDF FAQ · Starting Up Legal Metrology (Weights and Measures): FAQs and packer registration Department of Legal Metrology, Government of NCT of Delhi In 8 answers
  22. Podcast · ~85 min · GTM Building a world-class sales org Jason Lemkin In 8 answers
  23. 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
  24. 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 8 answers

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