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.
- Hands-on picks with prices: ChatGPT best overall (paid from Go at $8 a month), Nano Banana for Google users, Midjourney for... zapier.com Article · How Founders Use AI The 6 best AI image generators in 2026 Zapier (Harry Guinness) In 3 answers
- YouTube's own page listing every language automatic captions cover, including Hindi, Bengali, Gujarati, Kannada, Malayalam,... support.google.com Article · How Founders Use AI Use automatic captioning YouTube Help In 3 answers
- Google's guide to Magic Eraser, Unblur, portrait blur and suggested enhancements, with the device requirements (at least 3 GB... support.google.com Article · How Founders Use AI Edit your photos (Android) Google Photos Help In 3 answers
- India-specific advice written by an Indian technical founder, addressing the real competition for engineering talent in the... Inc42 Article · ~10 min read · Starting Up How Can Indian Startups Hire The Right Technical Talent Parminder Singh (Hansel.io) In 2 answers
- The definitive text on how strong product teams discover and deliver products customers love, from the most cited voice in... Silicon Valley Product Group Book · ~370 pages · Starting Up INSPIRED: How to Create Tech Products Customers Love (2nd Ed.) Marty Cagan In 2 answers
- A grounded, India-specific look at how well-known desi brands actually got named, a better cultural template for Indian... YourStory Article · 7 min read · Starting Up From Nykaa to Zerodha: the fascinating origins of India's favourite brand names YourStory In 2 answers
- A real Indian case study of brand and trust built with zero ad spend, proof that product, transparency and word of mouth beat a... Inc42 Article · 5 min read · Starting Up Zerodha now has over 1.6 Cr users without advertising Inc42 Staff In 2 answers
- The original, still-used test for whether you have product-market fit, from the person who coined 'growth hacking' and grew... Startup Marketing / GrowthHackers Article · ~10 min read · Starting Up The Sean Ellis Product-Market Fit Survey (40% Test) Sean Ellis In 2 answers
- The definitive explanation of why every marketing channel decays over time, from an a16z general partner who wrote 650+ essays... andrewchen.com Article · ~8 min read · Starting Up The Law of Shitty Clickthroughs Andrew Chen In 2 answers
- A myth-busting piece showing most 'viral' growth is actually broadcast reach, so you can stop praying for virality and engineer... Lenny's Newsletter Article · ~12 min read · Starting Up Virality Is a Myth (Mostly) Lenny Rachitsky In 2 answers
- A16z is the definitive source on marketplace and network-effect business models, having funded and studied more of them than... a16z.com Article · long-form article · Starting Up All About Network Effects & Marketplaces Andreessen Horowitz (a16z) In 2 answers
- David Sacks (PayPal, Yammer, Craft Ventures) distills the metrics that actually predict a SaaS company's health, including the... sacks.substack.com Article · essay · Starting Up The SaaS Metrics That Matter David Sacks In 2 answers
- Paul Graham's essays introduced the idea of 'ramen profitability' and default-alive thinking that underpins modern... paulgraham.com Essay · essay · Starting Up How to Make Wealth / Startup = Growth (essays) Paul Graham In 2 answers
- Data-backed reporting that normalizes founder burnout with real numbers, proof you're not uniquely broken, plus context on why... sifted.eu Article · medium · Starting Up More Than Half of Founders Experienced Burnout Last Year Sifted In 2 answers
- From the startup world's most in-demand executive coach, this book makes the case that radical self-inquiry, examining the... HarperBusiness Book · long · Starting Up Reboot: Leadership and the Art of Growing Up Jerry Colonna In 2 answers
- A structured breakdown of specific Indian startup failures with the concrete reasons behind each, a pattern library of what... failory.com Article · medium · Starting Up 17 Failed Indian Startups & Analyses on Why They Failed Failory In 2 answers
- The complete, tactical playbook for building a bootstrapped one-person business from first customer to acquisition, based on... zerotosold.com Book · long · Starting Up Zero to Sold: How to Start, Run, and Sell a Bootstrapped Business Arvid Kahl In 2 answers
- First Round Review is a primary, canonical startup-operations source, and this is a tactical playbook on landing high-caliber... First Round Review Article · long · Starting Up Snag the Best Advisors for Your Startup, from Best-selling Authors to Fortune 500 CEOs First Round Review In 2 answers
- A government-published, startup-specific walkthrough of how public procurement works, tenders, GeM, exemptions, and the process... startupindia.gov.in Article · guide (PDF, ~1 MB) · Starting Up Startup Guide to Public Procurement (Official PDF) Startup India / Invest India In 2 answers
- The official source for the procurement quotas and price preferences that tilt government buying toward small firms. Combined... msme.gov.in Article · policy page · Starting Up MSME Public Procurement Policy, 25% Purchase Mandate & Price Preference Ministry of Micro, Small & Medium Enterprises In 2 answers
- Elad Gil is one of the most trusted operators-turned-investors on this exact question, and this piece cuts through the wrapper... Elad Gil (Elad Blog) Essay · ~12 min read · Starting Up Defensibility & Competition Elad Gil In 2 answers
- Most "validate your idea" advice was written for consumer apps, where a landing page and a few hundred signups tell you... Lean B2B Essay · Starting Up The 3 Ways Startup Founders "Sell" Their First Products in B2B Etienne Garbugli In 2 answers
- This is the cleanest statement of why a big waitlist number can fool you: it only ever goes up, and joining costs a person... whoisnnamdi.com Article · ~8 min read · Starting Up Waitlists are a Vanity Metric Nnamdi Iregbulem In 2 answers
- Most validation advice is generic. This one is specific, and it leans on founders (Linear, Mercury) who tested conviction and... First Round Review Article · ~20 min read · Starting Up Is Your Startup Idea Any Good? Borrow These Validation Tactics from the Founders of Linear, Mercury and More First Round Review In 2 answers
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 →