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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. Learn from seven documented launch failures before yours. web.archive.org Article · How Founders Use AI Vibe coding failures: 7 real apps that broke in production Autonoma
  2. A current shortlist with pricing and platform coverage. toolfolio.com Article · How Founders Use AI 7 best vibe coding tools for mobile apps Toolfolio
  3. The fastest click-through to a connected repo. web.archive.org Guide · How Founders Use AI How to integrate Lovable with GitHub: 1-minute guide Storylane
  4. He threw away three full builds before it stuck; the mistakes here will save you months. web.archive.org Article · How Founders Use AI How I Burned Months Building a Salesforce Replacement with Claude Charles (iCharles)
  5. The sharpest checklist of what a vibe-coded CRM must handle before you trust it with pipeline. aquiva.com Article · How Founders Use AI Considering an AI-Built CRM instead of Salesforce? Read this first Aquiva Labs
  6. Names the Spaghetti Point and the three events that expose it. web.archive.org Article · How Founders Use AI Vibe Coding Technical Debt: The 90-Day Reckoning Autonoma
  7. The founder who lived the failure summarises the whole lifecycle in one line. x.com Thread · How Founders Use AI leo: 'vibe coding is easy: prompt, launch, get hacked' Leonel Acevedo (@leojr94_)
  8. The steelman for keeping some subscriptions: where SaaS still earns its price. web.archive.org Article · How Founders Use AI Build vs. buy in the age of AI, and why Enterprise SaaS still has its moat SmartSuite (Chase Roberts, Northflank)
  9. The feature that cuts up to 90% off repeated context, table stakes for agents. claude.com Article · How Founders Use AI Prompt caching with Claude Anthropic
  10. The expanded book with revenue benchmarks from Harvey, EvenUp and peers. web.archive.org Guide · How Founders Use AI Building Vertical AI (full book, PDF) Bessemer Venture Partners
  11. A startup-incubator's sober read on what agents can and cannot do yet. aihouse.vc Article · How Founders Use AI The State of AI Agents in 2025: Balancing Optimism with Reality AI2 Incubator
  12. A quick digest of the Manus lessons if you skip the original. web.archive.org Article · How Founders Use AI Context Engineering for AI Agents: Key Lessons from Manus Context.Space
  13. Prioritized fixes, starting with the most common failure: hardcoded credentials. web.archive.org Article · How Founders Use AI 6 steps to make your vibe-coded app production ready Autonoma
  14. The updated founder edition with 2026 benchmarks, ready to share with your team. web.archive.org Guide · How Founders Use AI The AI pricing playbook for founders (PDF) Bessemer Venture Partners
  15. Anthropic's own explanation of Claude's Research mode, searching the web plus your Google Workspace. claude.com Article · How Founders Use AI Claude takes research to new places Anthropic
  16. Separates per-interview analysis from cross-interview synthesis, the step most people botch. greatquestion.com Guide · How Founders Use AI AI Analysis & Synthesis for UX Research: A 6-Step Pipeline Great Question
  17. A current shortlist of dedicated competitor-tracking tools beyond the general chatbots. web.archive.org Article · How Founders Use AI The 5 Best AI Tools for Competitor Analysis GrowthOS
  18. Shows the diligence math VCs run on your TAM claim, worth reading before AI writes it. web.archive.org Article · How Founders Use AI How VCs Really Calculate Total Addressable Market (TAM) I'mBoard
  19. The hybrid model: humans build intuition first, AI scales the interviewing after. web.archive.org Article · How Founders Use AI How to Scale the Mom Test with AI Interviews Prelaunch
  20. A field survey of who is actually using synthetic research and for what. conversionalchemy.net Article · How Founders Use AI Research report: The state of synthetic research in 2025 Christopher Silvestri (Conversion Alchemy)
  21. Organised by use case, so you buy for the job rather than the hype. web.archive.org Article · How Founders Use AI 12 Best AI Market Research Tools by Use Case Standard Insights
  22. Peer-reviewed evidence of real users' hallucination encounters, patterns worth knowing. pmc.ncbi.nlm.nih.gov Article · How Founders Use AI "My AI is Lying to Me": user-reported LLM hallucinations PMC (peer-reviewed study)
  23. A simple checklist you can turn into a team habit. web.archive.org Guide · How Founders Use AI 6 steps in fact-checking AI-generated content TechTarget
  24. A practitioner's honest notes on batch sizes and when chat cleaning breaks down. cfoproanalytics.com Article · How Founders Use AI Using ChatGPT for Data Cleaning Tirabassi

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
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