Every resource founders actually use, in one library.

What founders use most, ranked by how many answers lean on it.

1. Video · ~35 min · Starting Up Growth for Startups Gustaf Alstromer In 2 answers
2. Video · 50 min · Starting Up Stanley Tang (DoorDash): Scaling the Unscalable Stanley Tang In 2 answers
3. A short clip of Paul Graham explaining the idea in his own words, useful if you want the core of the essay before committing to... Startup Archive Video · 5 min · Starting Up Paul Graham explains what it means to do things that don't scale Paul Graham In 2 answers
4. Video · ~20 min · Starting Up Solving the Chicken or Egg Problem James Currier In 2 answers
5. Video · ~45 min · Starting Up Building Product, Talking to Users, and Growing (How to Start a Startup, Lecture 4) Adora Cheung In 2 answers
6. Video · 5 min · Starting Up Debt Metaphor Ward Cunningham In 2 answers
7. Video · 15 min video · Starting Up Build a Simple App from a Google Sheet with Glide Glide In 2 answers
8. Video · Starting Up Andrej Karpathy: From Vibe Coding to Agentic Engineering Andrej Karpathy In 2 answers
9. Taggar covers the full arc: why a co-founder matters, when to bring one on, where to look, and how to keep the relationship... Y Combinator Startup Library Video · Starting Up How To Find A Co-Founder Harj Taggar In 2 answers
10. Video · 50 min · Starting Up How to Start a Startup, Lecture 2: Team and Execution Sam Altman In 2 answers
11. A Startup School talk with a YC partner and Triplebyte's co-founder on finding and hiring key engineers from scratch.... Y Combinator Startup Library Video · Around 45 minutes · Starting Up Building an engineering team Harj Taggar and Ammon Bartram In 2 answers
12. Video · 35 min · Starting Up The Startup Playbook for Hiring Your First Engineers and AEs Y Combinator In 2 answers
13. Video · ~24 min · Starting Up Usability Test Demo by Steve Krug Steve Krug In 2 answers
14. Video · Starting Up How to Set KPIs and Goals Adora Cheung In 2 answers
15. Video · 10 min · Starting Up Build product. Talk to users. Michael Seibel In 2 answers
16. YC founders talk candidly about disagreements that felt existential and how they worked through them. It normalizes that a hard... Y Combinator Library Video · ~30 min · Starting Up How To Navigate Co-Founder Disputes Y Combinator In 2 answers
17. A tarpit idea is one that looks easy and gets praise from everyone, yet has quietly killed hundreds of founders who tried it.... Y Combinator Library Video · ~20 min · Starting Up Tarpit Ideas: The Sequel Dalton Caldwell and Michael Seibel In 2 answers
18. The same argument as the essay, but spoken, if you would rather watch than read. Dixon walks through real markets that looked... Andreessen Horowitz Video · 4 min · Starting Up Why the Next Big Thing Will Look Like a Toy Chris Dixon In 2 answers
19. Video · ~30 min · Starting Up How To Perfectly Pitch Your Seed Stage Startup Michael Seibel, Y Combinator In 2 answers
20. Video · ~30 minutes · Starting Up Nandan Nilekani on India's Digital Public Infrastructure Nandan Nilekani In 2 answers
21. Video · 60 min · Starting Up Intro to Large Language Models (1 hour talk) Andrej Karpathy In 2 answers
22. Video · ~75 min · Starting Up Founder-Led Sales, with Pete Kazanjy Pete Kazanjy, hosted by Lenny Rachitsky In 2 answers
23. Video · Starting Up How to Validate an App Idea in 2026 (Customer Interviews, Landing Pages & Reddit) Varun Mayya In 2 answers
24. A short, plain spoken walkthrough of the same mistakes in action, useful if watching an example lands faster for you than... Nielsen Norman Group Video · 6 minutes · Starting Up Five User Interview Mistakes to Avoid (in 5 Minutes) Therese Fessenden In 2 answers

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