Every resource founders actually use, in one library.

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

1. This is the canonical argument that you do not need a mass market to build something real, you need a small number of people... The Technium (kk.org) Essay · ~15 min read · Starting Up 1,000 True Fans Kevin Kelly In 20 answers
2. The market regulator own free investor-education portal: unbiased basics on investing, mutual funds, and avoiding scams, with... SEBI Guide · Wealth SEBI Investor Education portal SEBI In 20 answers
3. The standard modern playbook for keeping discovery continuous so roadmap decisions stay grounded in real customer input, not... Product Talk Book · ~240 pages · Starting Up Continuous Discovery Habits Teresa Torres In 19 answers
4. This is the canonical source of the ship-ugly-first idea, the LinkedIn co-founder's own essay behind the line about being... LinkedIn Essay · About a 6 minute read · Starting Up If There Aren't Any Typos In This Essay, We Launched Too Late Reid Hoffman In 19 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. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. The consumer counterpart to finding B2B customers, focused on manually recruiting your first users for a consumer product. It... Lenny's Newsletter Article · Starting Up How to Find Your Early Adopters by Doing Things That Don't Scale Lenny Rachitsky In 14 answers
22. The definitive short read on why disruptive ideas get dismissed as toys, and why that dismissal is your opening. It reframes... cdixon.org Article · ~5 min read · Starting Up The Next Big Thing Will Start Out Looking Like a Toy Chris Dixon In 13 answers
23. The definitive playbook for network and community-led products, drawn from Andrew Chen's a16z experience and interviews with... Harper Business Book · Book (~368 pages) · Starting Up The Cold Start Problem: How to Start and Scale Network Effects Andrew Chen In 13 answers
24. The authoritative, government-hosted explanation of exactly what a DPIIT-recognised startup gets in public procurement. If you... startupindia.gov.in Article · single-page policy explainer · Starting Up Procurement by Government, Public Procurement Benefits for DPIIT Startups Startup India (DPIIT), Ministry of Commerce & Industry In 13 answers

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