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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. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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)
  7. 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
  8. A spreadsheet-first AI analyst for founders who live in Excel and Sheets. betteranalyst.com Tool · How Founders Use AI Formula Bot: AI data analytics Formula Bot
  9. 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)
  10. 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
  11. 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
  12. India's biggest creator-educator running a hands-on AI challenge. nas.com Course · How Founders Use AI #2WeeksOfAI with ChatGPT and Warikoo Ankur Warikoo
  13. The single tool where you storyboard, generate, and stitch Veo clips; over 275M videos made in it. flow.google.com Tool · How Founders Use AI Google Flow (Veo, Imagen, Gemini studio) Google Labs
  14. Primary source on the model that briefly topped the leaderboards, and what it targets. runway.com Article · How Founders Use AI Introducing Runway Gen-4.5 Runway
  15. Covers the open-model route (Flux) for founders who want control or self-hosting. flyne.ai Guide · How Founders Use AI How to Create Product Photography with Flux AI Flux AI
  16. See exactly what $12 vs $76 a month buys in credits before committing. runway.com Tool · How Founders Use AI Runway pricing Runway
  17. Wide 15-tool sweep for sanity-checking any single vendor's pricing claims. web.archive.org Article · How Founders Use AI How Much AI Video Generators Cost: Top 15 Tools' Pricing Compared ImagineArt
  18. The investment thesis doubles as a market map of Indian-language content demand. web.archive.org Article · How Founders Use AI Why We Invested in Dubverse Kalaari Capital
  19. The compliance detail: takedown windows, metadata requirements, safe harbour risk. legal500.com Article · How Founders Use AI IT Rules Deepfake Regulation: Three Hour Takedowns and AI Labelling Obligations Mondaq (India)
  20. The rule that makes AI-generated testimonials a five-figure-per-violation mistake. web.archive.org Article · How Founders Use AI FTC Announces Final Rule Banning Fake Reviews and Testimonials US Federal Trade Commission
  21. Signals how aggressively the FTC reads AI-washing and synthetic content. web.archive.org Article · How Founders Use AI FTC Announces Crackdown on Deceptive AI Claims and Schemes US Federal Trade Commission
  22. The living index of US AI-advertising guidance, bookmark it. web.archive.org Guide · How Founders Use AI FTC: Artificial Intelligence (guidance hub) US Federal Trade Commission
  23. Breaks down exactly what Vercel changed (docs as static HTML, structured answers) to make ChatGPT its fastest-growing channel. web.archive.org Article · How Founders Use AI How Vercel 10x'd ChatGPT Traffic to 10% of New Signups in 6 Months AI SEO Tracker
  24. A developer's technical teardown of Perplexity's multi-stage pipeline, from candidate pages to inline citations. ziptie.ai Article · How Founders Use AI How Perplexity AI Answers Work: Retrieval, Ranking, and Citation Pipeline ZipTie.dev

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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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