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.

  1. Short, blunt verification checklist you can turn into a team habit. library.mtsu.edu Guide · How Founders Use AI Fact checking is always needed (Student Guide to ChatGPT) Walker Library, MTSU
  2. The academic evidence base if you want the rigorous version of the problem. sciencedirect.com Article · How Founders Use AI Hallucinations in generative AI: A threat to scholarly integrity ScienceDirect (peer-reviewed)
  3. Accuracy-focused comparison so you know each research agent's error profile. gradually.ai Article · How Founders Use AI Deep Research: Grok vs ChatGPT vs Perplexity vs Gemini Gradually AI
  4. The authoritative map of the AI research tool landscape and where each category fits. hbr.org Article · How Founders Use AI The AI Tools That Are Transforming Market Research Harvard Business Review
  5. An established research platform's honest read on the tool categories. quantilope.com Article · How Founders Use AI 10 AI Market Research Tools & How To Use Them Quantilope
  6. A current comparison including cost-per-insight framing for small budgets. blog.atypica.ai Article · How Founders Use AI 10 Best AI Market Research Tools: Complete Comparison Guide Atypica
  7. Independent tech-press review rather than a vendor listicle. cybernews.com Article · How Founders Use AI Best AI Tools for Market Research: Turn Data Into Insights Faster Cybernews
  8. Explicitly filters hype from utility, which is the bootstrapper's core problem. factors.ai Article · How Founders Use AI 10 AI Market Research Tools Worth Using (Not Just Hype) Factors.ai
  9. Founder-specific stack recommendations from validation through GTM. siift.ai Article · How Founders Use AI Best AI Tools for Startup Founders: Idea Validation and Beyond Siift
  10. Task-by-task guidance on which research jobs AI does well and which it fumbles. liveplan.com Guide · How Founders Use AI How to Use AI for Market Research LivePlan
  11. A broad use-case catalogue to spark workflows you had not considered. clickup.com Guide · How Founders Use AI How to Use AI for Market Research (Use Cases & Tools) ClickUp
  12. A compact startup-first overview of the free-tier stack. thinkup.global Article · How Founders Use AI How to Use AI for Startup Market Research ThinkUp
  13. Real founders naming the tools they actually kept paying for. hypepotamus.com Article · How Founders Use AI AI Tools Startup Founders Say They Can't Live Without (And Why) Hypepotamus
  14. A professional researcher validates the free tool at the centre of a lean stack. cascadeinsights.com Article · How Founders Use AI A Market Researcher's Review: NotebookLM Cascade Insights
  15. Concrete NotebookLM research workflows: sources in, grounded cross-document answers out. stormy.ai Guide · How Founders Use AI How to Use Google NotebookLM for Market Research and Competitive Intelligence Stormy AI
  16. Power-user NotebookLM patterns beyond the obvious upload-and-summarise. socialmediaexaminer.com Article · How Founders Use AI Advanced NotebookLM Use Cases You Can Apply Today Social Media Examiner
  17. Fast tour of ten NotebookLM workflows, several research-specific. theaibreak.substack.com Guide · How Founders Use AI Tutorial: 10 NotebookLM Use Cases That Will 10x Your Productivity The AI Break
  18. A data professional's balanced take, with a video tutorial and example prompts. analythical.com Article · How Founders Use AI 4 Ways You Can Use ChatGPT for Market Research Analythical (Stephen Tracy)
  19. The Wharton professor's original field report on why an AI that writes its own code beats memorizing formulas. oneusefulthing.org Article · How Founders Use AI What AI can do with a toolbox: Getting started with Code Interpreter Ethan Mollick
  20. Shows AI restructuring messy PDF data and running models unprompted, the exact grunt work founders dread. x.com Thread · How Founders Use AI Ethan Mollick on Code Interpreter's statistical common sense Ethan Mollick
  21. Mollick's line that things that took weeks in his PhD were done in seconds, with fewer errors than a human analyst. fortune.com Article · How Founders Use AI Code Interpreter might be the most useful application of AI so far Fortune
  22. The balanced case for how much SQL a non-analyst actually needs now that AI writes queries. mavenanalytics.io Article · How Founders Use AI Do You Still Need to Learn SQL in the Age of AI? Maven Analytics
  23. A veteran SQL author argues the skill shifts from writing queries to judging them. sqlpatterns.com Article · How Founders Use AI Should you still learn SQL (in the age of LLMs)? Ergest Xheblati (Data Wise)
  24. The counter-argument: why a thin layer of SQL literacy still compounds even with AI on top. learnsql.com Article · How Founders Use AI SQL in 2025: What's New and Why It Still Matters LearnSQL.com

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms
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