Every resource founders actually use, in one library.

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

1. The CRED and Freecharge founder on building in India, including his line that Indian founders rush to solutions and underinvest... Lenny's Podcast Podcast · ~90 min · Starting Up Kunal Shah on winning in India, second-order thinking, and the philosophy of startups Kunal Shah (with Lenny Rachitsky) In 19 answers
2. The definitive talk that reframes launching from a one-shot event into a repeatable tactic, exactly this category's thesis. YC... YC Startup Library Video · ~25 min · Starting Up How to Launch (Again and Again) Kat Manalac (Y Combinator) In 18 answers
3. The Neon Show (formerly 100x Entrepreneur) is one of India's deepest founder-and-investor interview podcasts, covering pricing,... neon.fund Podcast · podcast series (200+ episodes) · Starting Up The Neon Show, Indian Founders on Pricing, Sales & Building Siddhartha Ahluwalia In 18 answers
4. Pete Koomen took Optimizely from zero to $100M+ ARR, and here he breaks the enterprise funnel down for exactly the person who... Y Combinator Startup School Video · ~35 min · Starting Up Enterprise Sales for Founders Pete Koomen In 18 answers
5. The canonical fake-door test, told by the founder who ran it. Buffer started as a two-page site: one page pitched the tool, a... Buffer Article · ~10 min read · Starting Up Idea to Paying Customers in 7 Weeks: How We Did It Joel Gascoigne In 18 answers
6. A trusted India-first place to compare funds and think about where cash goes once you have some to invest. Value Research Tool · Wealth Value Research: fund research and planning Value Research In 18 answers
7. The reference primer on the metrics and market-sizing logic investors use, including bottom-up market sizing that keeps... a16z Article · ~15 min read · Starting Up 16 Startup Metrics Andreessen Horowitz (a16z) In 17 answers
8. A punchy, contrarian classic on building a lean, sane, profitable company from the founders of Basecamp. It's the antidote to... 37signals Book · ~288 pages · Starting Up Rework Jason Fried & David Heinemeier Hansson In 17 answers
9. Video · About 25 minutes · Starting Up How to Get Your First Customers (Startup School) Gustaf Alstromer In 17 answers
10. The most accessible, practical intro to usability ever written, you can read it in a weekend and immediately fix your product.... sensible.com Book · ~200 pages · Starting Up Don't Make Me Think, Revisited Steve Krug In 16 answers
11. From the founder of CMX and author of The Business of Belonging, a practical framework for deciding whether to build community... Lenny's Newsletter Article · ~25 min read · Starting Up A Founder's Guide to Community David Spinks In 16 answers
12. The most concrete guide to actually measuring what customers will pay, including survey methods and tier design. It turns... lennysnewsletter.com Article · long-form guide · Starting Up The Ultimate Guide to Willingness to Pay Lenny Rachitsky & Patrick Campbell In 16 answers
13. Video · ~15 min · Starting Up How to Get and Test Startup Ideas Michael Seibel In 16 answers
14. Savoia, who led early Google AdWords, argues most ideas fail because nobody wanted them, and teaches pretotyping: cheap... Alberto Savoia Book · ~250 pages · Starting Up The Right It: Why So Many Ideas Fail and How to Make Sure Yours Succeed Alberto Savoia In 16 answers
15. This is the best method for the exact job of learning an industry's language when you cannot yet get face time with people in... Stacking the Bricks (Amy Hoy) Article · video walkthrough · Starting Up Sales Safari in Action Amy Hoy In 16 answers
16. Before you sweat which side to seed, Gurley helps you judge whether your marketplace is even structurally worth building. He... Above the Crowd Essay · 20 min read · Starting Up All Markets Are Not Created Equal: 10 Factors to Consider When Evaluating Digital Marketplaces Bill Gurley In 16 answers
17. A calm explainer of what a secondary actually is, who has to approve it, and how the price gets set, before you raise it with... Carta Article · Wealth How secondary sales work at private companies Carta In 16 answers
18. Market size is meaningless until you know exactly who you're for, and Lenny turns that into a concrete, repeatable ICP exercise... Lenny's Newsletter Article · ~15 min read · Starting Up How to identify your ideal customer profile (ICP) Lenny Rachitsky In 15 answers
19. Patrick Campbell built ProfitWell on pricing data from thousands of companies, and this is the single best free deep-dive on... lennysnewsletter.com Article · long-form guide · Starting Up Pricing Your SaaS Product Patrick Campbell (ProfitWell), via Lenny's Newsletter In 15 answers
20. Moore's beachhead idea is the definitive case for winning one narrow segment before you touch the broader market, which is... Geoffrey A. Moore Book · ~240 pages · Starting Up Crossing the Chasm: Marketing and Selling Disruptive Products to Mainstream Customers Geoffrey A. Moore In 15 answers
21. The India-specific piece: perquisite tax at exercise, capital gains at sale, and the startup deferral, with worked examples in... ClearTax Article · Wealth How ESOPs are taxed in India ClearTax In 15 answers
22. A data-backed teardown of how companies like Figma, Gusto, and Vanta actually sourced their earliest customers. Replaces... Lenny's Newsletter Article · ~15 min read · Starting Up How today's fastest-growing B2B startups found their first ten customers Lenny Rachitsky In 14 answers
23. A step-by-step, modern YC walkthrough of identifying buyers, starting conversations, and converting them into your first... YC Startup Library Video · ~20 min · Starting Up How to Get Your First 10 Customers Max Kolysh (Y Combinator) In 14 answers
24. A blunt, practical guide from Demand Curve's founder on which paid and organic channels fit which business, and why most... julian.com Article · Long-form guide · Starting Up Startup Handbook: Customer Acquisition Channels Julian Shapiro In 14 answers

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