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. This is the open-source-as-growth playbook told by a founder who lived it, aimed at products where developers are the users.... PostHog Article · ~15 min read · Starting Up How we got our first 1,000 users James Hawkins In 2 answers
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. The official, primary source walkthrough for going from an idea to a deployed app inside one AI builder. Because it is the tool... Replit Docs Course · Self paced · Starting Up Vibe Coding 101 Replit Docs In 2 answers
  12. 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
  13. A neutral, citation backed overview when you want the definition, the short history and the honest criticisms in one place,... Wikipedia Article · 10 min read · Starting Up Vibe coding (overview) Wikipedia In 2 answers
  14. The primary pricing page, so you can budget honestly before committing. Plans are billed in USD, so factor in forex on your... Bubble Tool · Starting Up Bubble Pricing Bubble In 2 answers
  15. The official government press release on the notified Rules, so this is the primary source to cite when a lawyer, investor, or... Press Information Bureau, Government of India Article · Starting Up Digital Personal Data Protection Rules, 2025 (Official Notification) Government of India In 2 answers
  16. A nine-step, screenshot-led tutorial for the exact directory use case in your answer. It covers connecting Airtable, picking a... andrewmurrayhq.com Article · 20 min read · Starting Up How to build a no-code directory with Softr and Airtable Andrew Murray In 2 answers
  17. Video · 15 min video · Starting Up Build a Simple App from a Google Sheet with Glide Glide In 2 answers
  18. This lays out when accumulated shortcuts actually start slowing a growing company down, versus when they are just cosmetic. It... martinfowler.com Article · 20 min read · Starting Up Bottlenecks of Scaleups: Tech Debt Tim Cochran and Carl Nygard In 2 answers
  19. If you want to understand why a font pairing works rather than just copying one, this is the clearest primer, straight from the... Google Fonts Knowledge Article · 12 min read · Starting Up Pairing Typefaces Google Fonts In 2 answers
  20. Steve Schoger answers real listener questions like how to make a design feel original, how to choose fonts, and how to style... Full Stack Radio Podcast · 1 hr · Starting Up Full Stack Radio 103: Steve Schoger, Design Q&A Adam Wathan and Steve Schoger In 2 answers
  21. If you use Supabase as your backend (common under tools like FlutterFlow, Bolt, or a Webflow front end), Row Level Security is... Supabase Docs Article · Starting Up Row Level Security Supabase In 2 answers
  22. Lavingia argues for doing more with less and building only what you can sustain yourself, which fits a domain expert who wants... Penguin Random House Book · 272 pages · Starting Up The Minimalist Entrepreneur Sahil Lavingia In 2 answers
  23. A crowdsourced look at what non-technical people are actually building for themselves with AI tools, which is useful evidence... Lenny's Newsletter Article · 12 min read · Starting Up What people are vibe coding (and actually using) Lenny Rachitsky In 2 answers
  24. Zerodha built its products in-house rather than leaning on outside vendors, and Kamath explains how staying close to the build... Inc42 Article · 12 min read · Starting Up Zerodha's Nithin Kamath On The Art Of Building World Class Products Nithin Kamath In 2 answers

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