Every resource founders actually use, in one library.

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

1. It is worth reading an honest account of the limits, and this one is notable for coming from a no-code platform itself. It... Bubble Blog Article · Starting Up The Real Drawbacks of No-Code Software Bubble In 2 answers
2. A tactical, budget-specific walkthrough of running a real landing-page test with a small paid-traffic spend so your numbers are... GrowthMentor Article · 15 min read · Starting Up How to Validate Your Startup Idea Using a Pre-Launch Landing Page and Under $500 in Ads Foti Panagiotakopoulos In 2 answers
3. For the refactoring half of your question, Fowler explains why building for imagined future needs usually costs more than it... martinfowler.com Article · 10 min read · Starting Up Yagni (You Aren't Gonna Need It) Martin Fowler In 2 answers
4. Doshi names the IKEA effect, how you overvalue what you built simply because you built it, which is the quiet engine behind... Shreyas Doshi (Substack) Essay · 12 min read · Starting Up The Product Builder's True Journey Shreyas Doshi In 2 answers
5. Flipkart serves exactly your users, many on 2G in smaller Indian cities, and this case study shows a fast mobile web app... web.dev (Google) Article · Starting Up Flipkart triples time-on-site with a Progressive Web App web.dev (Google) In 2 answers
6. A first hand engineering account of why Flipkart, an app first Indian company, rebuilt the mobile web to reach users on weak... Medium (Progressive Web Apps) Article · Starting Up Building Flipkart Lite: A Progressive Web App Aditya Punjani In 2 answers
7. Chen lays out the clearest early signal that people actually value your product: do cohorts keep coming back over time. He... andrewchen.com Essay · Medium read · Starting Up How to measure if users love your product using cohorts and revisit rates Andrew Chen In 2 answers
8. An all in one, generously free product analytics tool that early teams can set up in minutes, with events, funnels, session... PostHog Tool · Starting Up PostHog Product Analytics PostHog In 2 answers
9. Chen names the hard side of the network, the users who create most of the value and are hardest to win, and shows how to reach... Andrew Chen Book · ~368 pages · Starting Up The Cold Start Problem Andrew Chen In 2 answers
10. Video · 5 min · Starting Up Debt Metaphor Ward Cunningham In 2 answers
11. Often the urge to rebuild comes from one abstraction that no longer fits, not from the whole codebase. Metz explains why a... sandimetz.com Essay · 8 min read · Starting Up The Wrong Abstraction Sandi Metz In 2 answers
12. This is the practical manual for improving code you are afraid to touch, without a rewrite. Feathers gives you techniques to... Prentice Hall (Robert C. Martin Series) Book · 456 pages · Starting Up Working Effectively with Legacy Code Michael C. Feathers In 2 answers
13. Beck argues for small, cheap tidyings over grand restructurings, and gives you a way to reason about when cleanup is worth it.... O'Reilly Media (Kent Beck) Book · 120 pages · Starting Up Tidy First? A Personal Exercise in Empirical Software Design Kent Beck In 2 answers
14. The canonical case that you can reshape a system in safe, small steps rather than one dramatic rewrite. Fowler shows how to... martinfowler.com Book · 448 pages · Starting Up Refactoring: Improving the Design of Existing Code (2nd Edition) Martin Fowler In 2 answers
15. A balanced walkthrough of when building in public helps and when staying quiet is smarter, without pushing you either way. It... Mercury Article · ~10 min read · Starting Up Building in public: Is this the right approach for your startup? Mercury In 2 answers
16. An honest breakdown of what a no-code MVP actually costs once you add hosting, tool subscriptions, and paid tiers, so the... Ptolemay Article · ~10 min read · Starting Up The real cost of no-code MVPs Ptolemay In 2 answers
17. Chen frames the exact trap you are in: pouring signups into a bucket that leaks, where more acquisition just wastes more water.... Andrew Chen Essay · 10 min read · Starting Up Is Your Website a Leaky Bucket? 4 Scenarios for User Retention Andrew Chen In 2 answers
18. A single average retention number hides whether you have a small core of people who love the product, which is the seed you... Andrew Chen Essay · 12 min read · Starting Up The Power User Curve Andrew Chen In 2 answers
19. Your short answer says to watch real sessions, and this is the most common tool for doing exactly that: replaying where new... Hotjar Tool · self-serve tool · Starting Up Hotjar Session Recordings Hotjar In 2 answers
20. If your diagnosis points at onboarding, this is the deepest single piece on fixing it, from the growth lead behind Pinterest... Casey Winters (Casey Accidental) Essay · 15 min read · Starting Up Why Onboarding is the Most Crucial Part of Your Growth Strategy Casey Winters In 2 answers
21. A structured, play-by-play guide from a founder who hit the non-technical wall herself, then learned to build with no-code. It... Practical Inspiration Publishing Book · ~250 pages · Starting Up The No-Code Startup: The Complete Guide to Building Apps Without Code Emma Reilly In 2 answers
22. Many founders fear that no-code will make them look unserious to investors, and this piece tackles that head on. It gives you... Bubble Article · ~10 min read · Starting Up How to Explain Your No-Code Tech Stack to Investors Bubble In 2 answers
23. A hands on comparison where the author builds the same app across the major AI builders and reports what each one is actually... Aakash Gupta (Product Growth) Article · 30 min read · Starting Up Best AI Prototyping Tools 2026: Lovable vs Bolt vs Replit vs v0 Aakash Gupta In 2 answers
24. Microsoft's chief product officer makes the case that building a rough working prototype now beats writing a spec, which is the... Lenny's Podcast Podcast · 60 min · Starting Up If you aren't prototyping with AI, you're doing it wrong Aparna Chennapragada In 2 answers

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