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. Video · 12 min · Starting Up How VCs Evaluate Startup Timing, featuring Pete Flint at NFX Pete Flint, NFX In 3 answers
  2. Video · ~20 min · Starting Up Customer Discovery: What Do You Ask Justin Wilcox In 3 answers
  3. Video · Video · Starting Up How to Build Your First PR Campaign (Step-by-Step for Founders) Visibility on Purpose In 3 answers
  4. A DTC media buyer who has spent millions pushing the 'creative is the strategy' view, watch him break down real winning and... YouTube Video · D2C Nick Theriot (YouTube Channel) Nick Theriot In 3 answers
  5. Video · D2C How to Register a Private Limited Company in India (Step-by-Step Guide 2025) YouTube In 3 answers
  6. Video · 45 min watch · GTM How to Build a Tech Partner Program That Works Cloud Software Association In 3 answers
  7. What changes in your story when a developer loved product has to be sold to a CIO who has never heard of you. Directly relevant... Heavybit Video · 35 min · GTM Moving into the Enterprise: Fireside with Postman's Founder and CEO Adam Gross with Abhinav Asthana In 3 answers
  8. Video · How Founders Use AI Pieter Levels: Programming, Viral AI Startups | Lex Fridman #440 Lex Fridman In 3 answers
  9. Video · How Founders Use AI How To Build A Company With AI From The Ground Up Y Combinator (Diana Hu) In 3 answers
  10. Video · How Founders Use AI I Ranked Every AI App Builder for 2026: Lovable vs Bolt vs Replit vs Cursor Build Great Products In 3 answers
  11. The episode that defined the category thesis; 300 potential billion-dollar companies. ycombinator.com Video · How Founders Use AI Vertical AI Agents Could Be 10X Bigger Than SaaS Y Combinator Lightcone (Garry Tan, Jared Friedman, Harj Taggar, Diana Hu) In 3 answers
  12. Video · How Founders Use AI Lovable AI tutorial for beginners: build your first app YouTube educator In 3 answers
  13. Video · How Founders Use AI Learn 80% of NotebookLM in Under 13 Minutes! Jeff Su In 3 answers
  14. Video · How Founders Use AI The Founder Who Automated Content Creation Using AI (Varun Mayya) Bad Decisions Podcast In 3 answers
  15. Video · How Founders Use AI How to Make the Most Realistic AI Videos (Step-by-Step Tutorial) Marketing Against The Grain (Kipp Bodnar & Kieran Flanagan) In 3 answers
  16. Video · How Founders Use AI Founder-Led Sales for Y Combinator Demo Day (Sam Blond) Sam Blond (ex-CRO Brex) In 3 answers
  17. A widely followed Indian founder-educator (ex-CEO Groupon India / nearbuy) who speaks directly to the Indian salaried... ankurwarikoo.com Video · Short-form video series · Starting Up Ankur Warikoo, Entrepreneurship Ankur Warikoo In 2 answers
  18. A seasoned enterprise sales leader gives a crash course on selling into complex organizations like the Fortune 500, including... Andreessen Horowitz (a16z) Video · ~45 min · Starting Up Go-to-Market Boot Camp for Startups: Field Sales Mark Cranney In 2 answers
  19. YC's partners walk through concrete business models that were not viable before large language models: full-stack law firms,... Y Combinator (Lightcone Podcast) Video · ~45 min · Starting Up Startup Ideas You Can Now Build With AI (Lightcone Podcast) Garry Tan, Harj Taggar, Diana Hu, Jared Friedman In 2 answers
  20. Video · ~30 min · Starting Up Enterprise Sales | Startup School Pete Koomen In 2 answers
  21. Video · About 3 minutes · Starting Up Steve Blank: Want Your Startup to Succeed? Get Out of the Building Steve Blank (Inc. Magazine) In 2 answers
  22. Video · About 30 minutes · Starting Up Rahul Vohra (Founder/CEO, Superhuman) - The Product-Market Fit Engine Rahul Vohra In 2 answers
  23. Video · Short tutorial (under 20 minutes) · Starting Up Figma Logo Design Tutorial for Beginners (Step-by-Step) TEDKSTUDIO In 2 answers
  24. Video · About 95 minutes (North Star segment near 1:19:21) · Starting Up The original growth hacker reveals his secrets | Sean Ellis (author of "Hacking Growth") Sean Ellis, interviewed by Lenny Rachitsky In 2 answers

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