Explore
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.
- Where agents genuinely are on the automation timeline, hype removed. lennysnewsletter.com Podcast · How Founders Use AI An AI state of the union | Simon Willison Lenny's Podcast (Simon Willison)
- The full conversation, including memory across sessions. latent.space Podcast · How Founders Use AI Context Engineering for Agents | Lance Martin, LangChain Latent Space (Lance Martin)
- Same episode, playable on your commute. open.spotify.com Podcast · How Founders Use AI Context Engineering for Agents (audio) Latent Space
- Screen-share episode showing exactly how a prototype goes from generic mock to product-quality. creators.spotify.com Podcast · How Founders Use AI How to build prototypes that actually look like your product (Colin Matthews) How I AI with Claire Vo
- Lovable's founding designer on why prototype-first changes what founders should expect from design. open.spotify.com Podcast · How Founders Use AI Nad Chishtie: a new way to design and build with AI Dive Club (Ridd)
- Trains the judgment you need to edit AI copy: visual, falsifiable, unique. open.spotify.com Podcast · How Founders Use AI Learn great copywriting in 76 minutes (Harry Dry) How I Write (David Perell)
- The activation fundamentals your AI-generated flow has to serve, from someone who lifted Airtable's by 20 percent. lennysnewsletter.com Podcast · How Founders Use AI Mastering onboarding (Lauryn Isford, Head of Growth at Airtable) Lenny's Podcast
- Copy psychology by example, ideal for calibrating what you keep from AI drafts. creators.spotify.com Podcast · How Founders Use AI Harry Dry's favorite marketing examples Nudge Podcast (Phill Agnew)
- A working designer explains how to make AI generate in your product's visual language. open.spotify.com Podcast · How Founders Use AI The trick to AI prototyping with your design system Dive Club (Ridd)
- The definitive argument for why design matters more, not less, after AI. lennysnewsletter.com Podcast · How Founders Use AI Figma's CEO: why AI makes design, craft, and quality the new moat for startups Lenny's Podcast (Dylan Field)
- Field's AI Startup School talk, aimed squarely at founders deciding how to staff design. creators.spotify.com Podcast · How Founders Use AI Figma CEO Dylan Field: how AI will transform design Y Combinator Startup Podcast
- A VC-grade discussion of design org shapes in the AI era. a16z.com Podcast · How Founders Use AI Figma's Dylan Field on the future of design a16z Podcast
- Fresh field data on how design teams actually split work between AI and humans. open.spotify.com Podcast · How Founders Use AI Stephen Haney: the 2026 AI design field report Dive Club (Ridd)
- On why the designer-engineer-PM boundary is dissolving and what that means for your first hires. productschool.com Podcast · How Founders Use AI Dylan Field on design, product, engineering: blurring the lines in the AI era Product School
- The founder behind the deck tool, with lessons on story-first presentations. lennysnewsletter.com Podcast · How Founders Use AI 'Dumbest idea I've heard' to $100M ARR: inside the rise of Gamma (Grant Lee) Lenny's Podcast
- How Gamma reached 100M users with zero ad spend, useful thinking for your own visuals strategy. podcasts.apple.com Podcast · How Founders Use AI Grant Lee: building Gamma's AI presentation company The a16z Show
- Four consumer investors on why subtle product choices now matter more than raw model quality. a16z.com Podcast · How Founders Use AI Where Does Consumer AI Stand at the End of 2025? a16z (Anish Acharya, Olivia Moore, Justine Moore, Bryan Kim)
- Veteran product leaders on AI at the core versus AI at the edge, the distinction most founders miss. lennysnewsletter.com Podcast · How Founders Use AI How AI is reshaping the product role | Oji and Ezinne Udezue Lenny's Podcast
- Vohra applies his famous product-market-fit engine to deciding which AI features earn their place. productschool.com Podcast · How Founders Use AI Superhuman CEO on the 40% PMF Rule and AI-Native Productivity Product School (Rahul Vohra)
- The default podcast of people who ship AI features for a living; subscribe and skim show notes. latent.space Podcast · How Founders Use AI Latent Space: The AI Engineer Podcast swyx and Alessio Fanelli
- A strategic view of vendor pricing games and how buyers should respond. cxotalk.com Podcast · How Founders Use AI Inside the AI Arms Race: LLMs, Economics, and Strategy CXOTalk with Nate B. Jones
- Willison narrates the price collapse and capability gains in one listenable year-in-review. latent.space Podcast · How Founders Use AI Simon Willison: Things we learned about LLMs in 2024 (Latent Space) Latent Space with Simon Willison
- YC partners on how model progress should shape what founders build now versus wait on. creators.spotify.com Podcast · How Founders Use AI The 10 Trillion Parameter AI Model With 300 IQ (Lightcone) Y Combinator (Lightcone Podcast)
- A live-demo episode: watch error analysis actually being done on screen. podcasts.apple.com Podcast · How Founders Use AI Evals, error analysis, and better prompts | Hamel Husain How I AI (Claire Vo)
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 →