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.
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Video · How Founders Use AI
The Sales Playbook For Founders | Startup School
Y Combinator (Tom Blomfield)
In 2 answers
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Video · How Founders Use AI
ChatGPT and the Law Part 1: Lawyer shows how to use ChatGPT for Contracts
Practicing lawyer (YouTube)
In 2 answers
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Video · How Founders Use AI
How to Use ChatGPT to Review Contracts!
Legal tech creator (YouTube Shorts)
In 2 answers
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Video · How Founders Use AI
Working Like a Lawyer with Claude
Anthropic (Mark Pike with Freshfields' Anna Gressel)
In 2 answers
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Video · How Founders Use AI
How to Use Claude to Build INSANE Financial Models (2026)
Nicolas Boucher (AI Finance Club)
In 2 answers
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Video · How Founders Use AI
Master Claude for Excel in 10 Minutes: Financial Modeling
Ali H. Salem
In 2 answers
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Video · How Founders Use AI
AI as Your New Strategic Thought Partner, Jeremy Utley (Stanford)
Jeremy Utley on Proof of Work: Applied AI Case Studies
In 2 answers
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Video · How Founders Use AI
"Dumbest idea I've heard" to $100M ARR: Inside the rise of Gamma | Grant Lee
Lenny's Podcast
In 2 answers
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Video · How Founders Use AI
Gemini vs. ChatGPT vs. Claude vs. Grok vs. Perplexity! (The Best Way To Use Each One)
Paul J Lipsky
In 2 answers
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Video · How Founders Use AI
ChatGPT vs Claude vs Gemini: Which AI Is Worth $20 in 2026?
Great Learning
In 2 answers
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Video · How Founders Use AI
ChatGPT vs Claude vs Gemini: Which $20 AI Plan Is Worth It?
Parker Prompts
In 2 answers
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Video · How Founders Use AI
AI4Bharat at IIT Madras and Josh Talks AI Launches India's First Independent AI Evaluation Platform
AIM Network
In 2 answers
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Video · About 55 minutes · Starting Up
The Lean Startup | Eric Ries | Talks at Google
Eric Ries
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Video · About 50 minutes · Starting Up
Julie Zhuo: How a Facebook Designer Thinks
Julie Zhuo
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Video · ~45 min · Starting Up
Obviously Awesome: April Dunford's Positioning Do-Over
April Dunford
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Video · About 40 minutes · Starting Up
Challenges and learnings of building for the next billion users (Google I/O '18)
Google (Next Billion Users team: Nithya Sambasivan, Josh Woodward and colleagues)
- Alexandra Watkins wrote the book on naming, and here she explains in plain terms why a name that people have to stop and spell... Ebaqdesign / On Branding Podcast Video · ~50 min interview · Starting Up How To Create Brand Names with Alexandra Watkins (On Branding Podcast) Arek Dvornechuck (host), Alexandra Watkins (guest)
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Video · video · Starting Up
How to name your startup: David Placek, named Vercel, Azure and BlackBerry
Scaling DevTools
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Video · short explainer · Starting Up
How to Choose the Right Domain Name for SEO (And Avoid Big Mistakes)
YouTube
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Video · 76 minutes · Starting Up
Learn Copywriting in 76 Minutes
Harry Dry
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Video · about 43 minutes · Starting Up
Responsive design made easy
Kevin Powell
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Video · Short YouTube comparison · Starting Up
Which Platform Wins? Framer vs Webflow Full Comparison
YouTube
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Video · Starting Up
Designing for the Next Billion (Droidcon NYC 2016)
Raveesh Bhalla
- Most branding advice is one designer's taste, this is the opposite: a short, research-backed walkthrough from Nielsen Norman... Nielsen Norman Group Video · About 3 minutes · Starting Up Trustworthiness in Web Design: 4 Credibility Factors (Video) Aurora Harley
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 →