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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. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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)
  12. 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
  13. 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
  14. 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
  15. Video · How Founders Use AI How AI Completely Reshaped This Data Analyst's Job (Luke Barousse) Ken's Nearest Neighbors Podcast
  16. Two practitioners compare the tasks worth delegating to AI versus the ones worth learning yourself. creators.spotify.com Podcast · How Founders Use AI How We Use AI as Data Analysts (Data Career Podcast ep 76) Data Career Podcast with Luke Barousse
  17. 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
  18. 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)
  19. 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
  20. A clean mental model for stacking AI on top of traditional tools instead of choosing between them. blog.datawithbaraa.com Article · How Founders Use AI Excel vs Power BI vs SQL vs Python vs AI Data With Baraa
  21. Video · How Founders Use AI AI Was Supposed to Replace Data Analyst Jobs. Here's What Actually Happened Kedeisha Bryan
  22. A founder who built a BI company explains why most companies over-invest in data tooling. changelog.com Podcast · How Founders Use AI What even is the modern data stack, featuring Benn Stancil The Changelog
  23. The sharpest industry writer on what AI actually changes about the analyst's craft. benn.substack.com Article · How Founders Use AI Analytics is at a crossroads Benn Stancil
  24. OpenAI's own free walkthrough, including the framing prompt 'I'm trying to decide X, based on Y'. openai.com Guide · How Founders Use AI Analyzing data with ChatGPT (OpenAI Academy) OpenAI

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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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