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.
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →