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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. Video · How Founders Use AI Vesting Schedules Explained: How Startup Equity Works Startup equity educator (YouTube)
  2. Video · How Founders Use AI Beginner's Guide to Startup Equity: Founder Stock Explained Startup legal educator (YouTube)
  3. Video · How Founders Use AI Do You Need a Trademark for Your Business? Full Walkthrough to Register Trademark attorney (YouTube)
  4. Video · How Founders Use AI How Does Trademarking Work? Lawyer explains USPTO trademarks Trademark attorney (YouTube)
  5. Video · How Founders Use AI Lawyer Explains Copyrights, Trademarks, Patents and IP Law IP attorney (YouTube)
  6. Video · How Founders Use AI US Patent and Trademarks Series: Trademark Basics USPTO
  7. Video · How Founders Use AI Startup Secrets: Insider Guide to Patents Patent attorney talk (YouTube)
  8. Video · How Founders Use AI Digital Personal Data Protection Act 2023 (DPDP Act) Indian legal educator (YouTube)
  9. Video · How Founders Use AI India's DPDP Act Explained: Your Data Rights and Corporate Rules Advocate-led channel (YouTube)
  10. Video · How Founders Use AI Understanding SAFE Notes: A Simple Guide for Startup Founders Startup finance educator (YouTube)
  11. Video · How Founders Use AI SAFE Notes Explained: 'Unsafe' for Startups? Startup finance channel (YouTube)
  12. Video · How Founders Use AI How to understand the YC SAFE and dilution (Ep 35) Uncapped Notes
  13. Video · How Founders Use AI Navigating Due Diligence in Startup Fundraising VC educator (YouTube)
  14. Video · How Founders Use AI Data room: what documents investors expect from startups VC/founder educator (YouTube)
  15. Video · How Founders Use AI Data Room for Startups 101: What It Is and How to Build It Startup educator (YouTube)
  16. Video · How Founders Use AI Supporting Contract Negotiation with AI (AI for Small Businesses Course) AI for Small Businesses course (YouTube)
  17. Video · How Founders Use AI Testing Claude in Excel: Building a Three-Statement Financial Model Corporate Finance Institute (CFI)
  18. Video · How Founders Use AI How to Use Claude to Build INSANE Financial Models (2026) Nicolas Boucher (AI Finance Club)
  19. Video · How Founders Use AI Master Claude for Excel in 10 Minutes: Financial Modeling Ali H. Salem
  20. Honest hands-on review with an embedded 'watch me try it' video, showing three real workflows: partner calls, interviews, and... feisworld.com Video · How Founders Use AI I Spent 10 Years Taking Bad Notes. This AI Changed Everything (Granola review + video) Fei Wu (Feisworld Media)
  21. Video · How Founders Use AI AI Email Tools 2026: I Tested 4 Apps to Hit Inbox Zero (Honest Results) Independent YouTube reviewer
  22. Video · How Founders Use AI The Shortwave Method (video) Shortwave
  23. Video · How Founders Use AI The exact AI playbook (MCPs, custom GPTs, Granola) that saved ElevenLabs $100k+ and helps them ship daily, Luke Harries How I AI (Claire Vo, Lenny's network)
  24. One of the most trusted software educators walks the whole Gamma workflow, including building a pitch deck from scratch. kevinstratvert.com Video · How Founders Use AI Gamma App Tutorial: The Ultimate AI Design Tool for Presentations Kevin Stratvert

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
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