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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. Balfour, who led growth at HubSpot and founded Reforge, breaks the cold start into the mechanics of how you actually reach... Brian Balfour Essay · 20 min read · Starting Up The Network Effect: Solving the Chicken or the Egg Brian Balfour
  2. A grounded, tactical read on the leaky bucket problem for founders who just closed their first handful of customers. It covers... Vitally Article · ~10 min read · Starting Up Turning Your First Customers Into Recurring Revenue Ian Russell
  3. Balfour (Reforge) makes the case that retention and engagement, not raw acquisition, decide which company wins. It explains the... Brian Balfour Essay · ~15 min read · Starting Up Why Product Market Fit Isn't Enough Brian Balfour
  4. Intercom's team, led by Des Traynor's thinking, argues onboarding is the new conversion: keeping customers matters more than... Intercom Blog Article · ~12 min read · Starting Up Onboarding Strategies to Drive Long-Term Customer Retention Intercom
  5. From India's largest community of SaaS founders, this is peer advice on landing and holding early customers without spray and... SaaSBoomi Article · ~10 min read · Starting Up How to Get Your First 10 B2B Customers SaaSBoomi (Raviteja Dodda, Mohit Garg, Sahil Aggarwal)
  6. This companion piece warns about the opposite failure: cutting so hard that the thing is minimal but not actually viable or... Silicon Valley Product Group (Marty Cagan) Article · ~6 min read · Starting Up Viable Product vs. Minimal Product Marty Cagan
  7. This chapter is the clearest argument for our claim that a long timeline means your scope is wrong. Basecamp starts with a... Basecamp / 37signals Book · 15 min read · Starting Up Shape Up: Set Boundaries (Appetite) Ryan Singer
  8. A dense list of hard won lessons, several of which land directly on speed and iteration as a startup's main edge over big... Sam Altman Essay · 8 min read · Starting Up Startup Advice Sam Altman
  9. Drew Houston validated Dropbox with a three minute demo video before building the hard sync engine, and the waitlist jumped... YourStory Article · 7 min read · Starting Up Dropbox's Demo Video That Got 75,000 Signups Overnight YourStory
  10. The author of Running Lean tackles the exact trap in our short answer: founders confuse a wrong timeline with a wrong scope. He... Ash Maurya (Lean Stack) Article · 9 min read · Starting Up Getting to the Right Minimum in a Minimum Viable Product Ash Maurya
  11. DoorDash started as PaloAltoDelivery.com, a static page with a phone number and no app, delivering orders by hand. This is the... Stanley Tang (DoorDash co-founder) Essay · 10 min read · Starting Up A New Beginning: The DoorDash Story Stanley Tang
  12. A compact YC piece that reframes the MVP as a minimum evolvable product, something you keep changing in response to your... Y Combinator Startup Library Article · 12 min read · Starting Up How to Get Your First Users Y Combinator
  13. Years on, Ries revisits what the lean method got right and where the MVP idea gets abused, which is precisely the trap in your... Lenny's Newsletter Article · ~4,000 words · Starting Up Reflections on a Movement: Eric Ries on the Lean Startup Lenny Rachitsky and Eric Ries
  14. This is where the phrase undifferentiated heavy lifting comes from, and it names exactly the trap you are trying to avoid. The... AWS News Blog Article · 6 min read · Starting Up We Build Muck, So You Don't Have To Jeff Barr
  15. Auth is the piece founders most often assume is easy, and this walks through why it quietly is not: password storage, resets,... With Blue Ink (Alessandro Segala) Article · 15 min read · Starting Up Please everyone, stop writing your own user authentication code Alessandro Segala
  16. Once you have decided to buy auth, this independent hands on comparison helps you actually pick one. It weighs developer... Hyperknot blog Article · 20 min read · Starting Up Comparing Auth providers (Supabase, Firebase, Clerk, Auth.js, Ory and others) Zsolt Ero
  17. Cohen, who built WP Engine into a unicorn, shows how he validated it by getting real people to commit real money before... A Smart Bear (Jason Cohen) Essay · Starting Up Vetting a startup: The systematic birth of WP Engine Jason Cohen
  18. This addresses your actual fear head on: what a migration off no-code really looks like once you succeed. It lays out the... Lowcode Agency Article · Starting Up What Happens When You Outgrow Bubble Lowcode Agency
  19. A concrete Indian example: Flexiple, started by IIM Ahmedabad grads, ran early on Google Sheets, Airtable, and Zapier held... Bubble Blog Article · Starting Up How Flexiple Uses Bubble to Match Tech Talent to Jobs Bubble Blog
  20. Tossell built Makerpad, the best known no-code education community (later acquired by Zapier), so his orientation to the... Codecademy Blog Article · Starting Up Getting to know no-code with Makerpad's Ben Tossell Ben Tossell
  21. Context on how far no-code has come and how seriously it is taken, from a major tech publication. It helps you see that... TechCrunch Article · Starting Up No-code Bubble raises $100M to make technical co-founders obsolete TechCrunch
  22. DoorDash started as PaloAltoDelivery.com, a one-hour landing page with PDF menus and a phone number, and the founders... Startup Archive Article · 5 min read · Starting Up Stanley Tang: Three Lessons from the Founding of DoorDash Startup Archive
  23. A clear, careful definition of the landing-page test from a respected product discovery teacher, including its real limits. It... Product Talk (Teresa Torres) Article · 6 min read · Starting Up Landing Page Test Teresa Torres
  24. Maurya gives you a repeatable way to rank risk instead of guessing at it. He points you at the universal early risks (do these... LEANSTACK blog (Ash Maurya) Article · 10 min read · Starting Up How to Identify Your Riskiest Business Model Assumptions Ash Maurya

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