Every resource founders actually use, in one library.

What founders use most, ranked by how many answers lean on it.

1. 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
2. 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
3. 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
4. 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
5. 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
6. 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
7. 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
8. This is the concrete proof that payments are a solved problem you should borrow: a few steps and you are charging real cards... Stripe Documentation Tool · Docs plus setup · Starting Up Accept a payment Stripe
9. If your MVP is really about testing willingness to pay, you may not need to write payment code at all: a Payment Link is a URL... Stripe Documentation Tool · Docs plus setup · Starting Up No-code options for using Stripe (Payment Links) Stripe
10. For an Indian MVP, this is usually the right payments choice because it supports UPI, cards, net banking, and wallets out of... Razorpay Documentation Tool · Docs plus setup · Starting Up Razorpay Quickstart Guide Razorpay
11. Clerk gives you prebuilt sign up, sign in, and profile screens, so the whole login surface arrives finished rather than... Clerk Documentation Tool · Docs plus setup · Starting Up Clerk Quickstart Clerk
12. Firebase Auth is the battle tested default for mobile first and Google Cloud based apps, with a very generous free tier. It... Firebase Documentation Tool · Docs plus setup · Starting Up Firebase Authentication Google
13. Supabase pairs auth with a Postgres database, so if your app is data heavy you get login and storage from one open source stack... Supabase Documentation Tool · Docs plus setup · Starting Up Supabase Auth Supabase
14. Sending reliable email (verification, password resets, notifications) is its own deliverability problem, and Resend lets you... Resend Tool · Docs plus setup · Starting Up Resend Documentation Resend
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. This is a concrete workshop method for exactly the ranking step in our answer. You list every desirability, viability, and... Strategyzer (David J. Bland) Article · 9 min read · Starting Up How Assumptions Mapping Can Focus Your Teams On Running Experiments That Matter David J. Bland
24. Savoia, a former Google innovation lead, makes the case that most ideas fail because they are the wrong 'it', not because they... Stanford eCorner ETL (Alberto Savoia) Video · 50 min · Starting Up Build the Right It (Pretotyping) Alberto Savoia

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