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. If you're seriously weighing open-sourcing your MVP, this lays out what that path actually demands. It walks through... Andreessen Horowitz (a16z) Article · ~20 min read · Starting Up Open Source: From Community to Commercialization Peter Levine, Jennifer Li
  2. Nadh is the CTO of Zerodha and maintainer of widely used open-source projects like listmonk, so he speaks from years of running... Kailash Nadh (nadh.in) Essay · ~10 min read · Starting Up "Open source" is not broken Kailash Nadh
  3. A clear primer on the types of moats so you can honestly assess how defensible your edge is, which is the final weigh-in your... CRV Article · ~12 min read · Starting Up What Is a Moat? The Startup Guide to Building Competitive Advantage CRV
  4. A useful counterweight that takes the copycat risk seriously in the AI era, when cloning a visible product is faster than ever.... The VC Corner Article · ~10 min read · Starting Up Building in Public Is Not What It Used To Be The VC Corner
  5. A detailed teardown of how one company turned open source into a growth and trust engine rather than a giveaway to rivals. It... How They Grow Article · ~20 min read · Starting Up How PostHog Grows: The Power of Being Open-Core Jaryd Hermann
  6. A two time unicorn founder gives you a diagnostic tree for stalled growth, including why 'too expensive' or 'confusing' is... Lenny's Newsletter (Jason Cohen) Article · 18 min read · Starting Up 5 questions to ask when your product stops growing Jason Cohen
  7. Watching sessions tells you the story; a cohort retention curve tells you the numbers, and this guide walks through building... Amplitude Article · 15 min read · Starting Up Cohort Retention Analysis: Essential Metrics Guide Amplitude
  8. Drawn from studying thousands of products, Chen argues you cannot bolt retention on later with notifications or tweaks; it... Andrew Chen Essay · 12 min read · Starting Up Why retention is so hard for new tech products Andrew Chen
  9. Karthik Sridharan bootstrapped Flexiple to over $1M ARR in India with almost all of its tech running on no-code tools like... Failory Article · ~15 min read · Starting Up How Flexiple Reached $1M ARR in 4 Years and $2M in 4 Months Karthik Sridharan
  10. A tour of real companies (Comet, Qoins, Teal and others) that reached serious revenue or venture funding on no-code. Seeing... Nomtek Article · ~12 min read · Starting Up 11 Successful No-Code Startups and Companies Nomtek
  11. A candid look at where the Bubble web builder starts to strain and what those signals feel like from inside a growing product.... First Radicle Article · ~10 min read · Starting Up When to Evolve Beyond the Bubble Web Builder First Radicle
  12. A side by side of the three tools named in your question, covering the exact tradeoff you are weighing: AI generated code... Bubble Blog Article · 15 min read · Starting Up Lovable vs. Replit vs. Bubble: 2026 Review of the Best AI App Builders Bubble Blog
  13. A plain English primer for the non technical founder who wants the concept and the tool list without jargon. It explains how... No Code MBA Article · 12 min read · Starting Up What Is Vibe Coding? How Anyone Can Build Apps With AI No Code MBA
  14. A clear map of where AI builders hit their ceiling: complex backends, edge cases, and code that gets hard to maintain as it... Builder.io Article · 12 min read · Starting Up Limitations of Vibe Coding Tools Builder.io
  15. A short, concrete starting recipe for a founder who has never touched these tools and just wants the first four moves. It keeps... Entrepreneur Article · 8 min read · Starting Up Here's How to Vibe Code an App for Beginners in 4 Easy Steps Entrepreneur
  16. Written for the exact founder in your question: someone without a technical background weighing whether to build it themselves.... Inc. Article · 8 min read · Starting Up Non-Tech-Savvy Founders Can Turn Vibe-Coding Into a Superpower Zain Jaffer
  17. Proof from close to home that this shift is not just a Silicon Valley story: a Bengaluru rooted builder where about 70 percent... YourStory Article · 6 min read · Starting Up India's vibe-coding startup Emergent hits $100M ARR in eight months YourStory
  18. This is the official walkthrough for wiring Razorpay into a Bubble app, which is the exact path most no-code founders in India... Bubble Blog Article · Starting Up Razorpay + Bubble: In-App Payments From India's Payment Solutions Provider Théo Goldberg
  19. The primary Razorpay documentation, so it is the source of truth on API keys, test mode, capturing and verifying payments, and... Razorpay Docs Article · Starting Up How to Integrate Razorpay Payment Gateway Razorpay
  20. Cashfree is the main Razorpay alternative in India, and this guide lays out the integration options (hosted checkout versus... Cashfree Payments Article · Starting Up Guide to Integrate Payment Gateway in Website and App Cashfree Payments
  21. If your customers are outside India, this is the doc that matters, because Stripe India works differently from the global... Stripe Documentation Article · Starting Up Accept International Payments From India Stripe
  22. The official Bubble manual for the Stripe plugin, which is the cleanest path if you serve global customers. It covers one-time... Bubble Manual Article · Starting Up Stripe Plugin Bubble
  23. An honest breakdown of what Bubble actually costs once workload units and growth are in the picture, which the pricing page... No Code MBA Article · Starting Up Bubble Pricing 2026: Plans, Costs and Hidden Fees No Code MBA
  24. Airtable is the recommended starting database for a no-code app, and this explains why it is a relational database wearing a... Zapier Article · Starting Up What is Airtable? A Detailed Guide for Beginners Zapier

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