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.
- A plain walk-through of what a code audit actually looks at (architecture, security, tests, documentation) and how a firm runs... Uptech Article · 15 min read · Starting Up Software Code Audit: Why and How It Ensures a Smoother App Launch Arthur Myronenko
- This reframes code quality into four things a non-technical founder can actually observe: how fast the team still ships, how... JetThoughts Article · 10 min read · Starting Up How to Know If Your Development Team's Code Quality Will Bite You Later JetThoughts
- Nine plain-English dimensions for judging an existing codebase (readability, adaptability, maintainability, and so on), each... ICTworks Article · 8 min read · Starting Up 9 Criteria to Evaluate an Existing Software Code Base Siobhan Green
- This explains the role that most cleanly fits your need: a senior technical person for a few hours who vets the build and tells... Crework Labs Article · 12 min read · Starting Up Fractional CTO for Non-Technical Founders: Do You Need One and What Does It Cost? Crework Labs
- A grounded guide to what 'code quality' means and how experienced teams measure it, without pretending one number captures it.... LeadDev Article · 12 min read · Starting Up A Guide to Measuring and Improving Code Quality Mike San Román
- A clear reference on what code quality really means (reliability, maintainability, security) and the concrete signals behind... Sonar Article · 15 min read · Starting Up What Is Code Quality? Definition Guide and How to Improve It Sonar
- Written from the developer's side of exactly your situation: opening a codebase someone else built and figuring out how bad it... DaedTech Article · 10 min read · Starting Up So, You've Inherited a Legacy Codebase Erik Dietrich
- A free summary of the classic legacy-code book, distilling the ideas your reviewer will use, above all that code without tests... Understand Legacy Code Article · 12 min read · Starting Up The Key Points of Working Effectively with Legacy Code Nicolas Carlo
- A plainspoken independent CTO's take on when and why to bring in senior technical judgment part-time, without the sales gloss.... Amazing CTO Article · 10 min read · Starting Up Hire a Fractional CTO, Solve Your Tech Problems Stephan Schmidt
- DHH built Basecamp and Hey with a tiny team by refusing to split the app into a fashionable web of microservices. If your... Signal v. Noise (DHH) Essay · 10 min read · Starting Up The Majestic Monolith David Heinemeier Hansson
- This names the exact failure mode you are worried about: an engineer choosing a stack for how it will look on their next job... DEV Community Article · 10 min read · Starting Up The Resume-Driven Development Epidemic HotfixHero
- A veteran founder and investor argues that pure 50/50 decision making causes gridlock, and that someone needs the final say in... Startup Hacks (Alex Iskold) Essay · 9 min read · Starting Up The Myth of Equal Startup Co-Founders Alex Iskold
- Once you have decided whose call it is, you both still have to live with it, and this is the cleanest statement of how. Bezos... Startup Archive Article · 5 min read · Starting Up Jeff Bezos Explains What It Means to Disagree and Commit Startup Archive
- Gokul Rajaram's SPADE framework is built on one rule that fits your situation perfectly: the person who has to execute and live... First Round Review Article · 20 min read · Starting Up Square Defangs Difficult Decisions with This System (SPADE) Gokul Rajaram
- A practical roundup of the frameworks that startups actually use to break ties without drama, including role-centric decision... Lenny's Newsletter Article · 15 min read · Starting Up My Favorite Decision-Making Frameworks Lenny Rachitsky
- The original essay that introduced Architecture Decision Records, a one page format capturing the context, the decision, and... Cognitect (Michael Nygard) Article · 8 min read · Starting Up Documenting Architecture Decisions Michael Nygard
- The second half covers the moves that trip up founders most: overlaying text on images so it stays readable, making text pop... Learn UI Design Article · 20 min read · Starting Up 7 Rules for Creating Gorgeous UI (Part 2) Erik D. Kennedy
- Typography is where most non-designer products quietly fall apart, and this free online book fixes that with plain rules. Start... practicaltypography.com Book · Free online book, start with the 10-minute summary · Starting Up Butterick's Practical Typography Matthew Butterick
- A logic-driven handbook aimed at developers who no longer want to depend on a designer, from someone who has designed products... practical-ui.com Book · Book plus Figma design system kit · Starting Up Practical UI Adham Dannaway
- Color is where founders most often go wrong, and this walks you through a simple, safe system: one primary, a set of neutrals,... DEV Community Article · 12 min read · Starting Up A beginner's guide to applying color in UI design George Francis
- This is the how behind reduce the thinking to zero. It names the three levers you actually control: cut visual clutter, build... Nielsen Norman Group Article · 9 min read · Starting Up Minimize Cognitive Load to Maximize Usability Kathryn Whitenton
- Tognazzini built Apple's original interface guidelines, and this is his deep list of principles: anticipation, autonomy,... AskTog (Bruce Tognazzini) Article · 40 min read · Starting Up First Principles of Interaction Design (Revised and Expanded) Bruce Tognazzini
- Crisp, opinionated principles from the team that made government services genuinely usable at massive scale. Start with user... GOV.UK (Government Digital Service) Article · 10 min read · Starting Up Government Design Principles UK Government Digital Service
- Error prevention is one of Nielsen's ten heuristics, and this unpacks how to actually do it: match the user's mental model,... Nielsen Norman Group Article · 8 min read · Starting Up Preventing User Errors: Avoiding Conscious Mistakes Page Laubheimer
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 →