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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. A promise-versus-reality scorecard for synthetic responses in SaaS research. developmentcorporate.com Article · How Founders Use AI Synthetic Responses in Market Research: Promise vs. Reality Development Corporate
  2. Covers the methodology questions a survey platform has to answer before using synthetic data. idsurvey.com Article · How Founders Use AI Synthetic Data and Synthetic Personas in Market Research IdSurvey
  3. Useful distinction between simulating a persona and pretending it is research. urbinaconsulting.com Article · How Founders Use AI Synthetic users vs persona simulations Urbina Consulting
  4. The bull case from a startup building AI-persona research, worth reading critically. blog.atypica.ai Article · How Founders Use AI Market Research Is Being Rewritten: Why AI Personas Are the Next Core Capability Atypica
  5. Concrete examples of synthetic-audience research workflows in practice. deepsona.ai Article · How Founders Use AI How Synthetic Audiences Are Transforming Market Research Through AI Personas Deepsona
  6. A hands-on build of a synthetic persona interviewer, showing exactly what these systems can and cannot do. towardsdatascience.com Article · How Founders Use AI From Ad-Hoc Prompting to Repeatable AI Workflows with Claude Code Skills (synthetic persona interviews) Towards Data Science
  7. Video · How Founders Use AI How I use Reddit and AI to find winning startup ideas (2025 tutorial) Dr Alex Young
  8. Video · How Founders Use AI How I Use AI & Reddit to Find $1M+ Startup Ideas (FULL Blueprint) YouTube creator (startup ideas)
  9. A tight five-step thread: collect where the market talks, use AI to find repeated pain, act on it. x.com Thread · How Founders Use AI The AI version of market research as a service Corey Ganim
  10. Explains the community-signal thesis behind the most popular idea-mining product. linkedin.com Thread · How Founders Use AI I'm launching ideabrowser.com (launch post) Greg Isenberg
  11. The written companion with the exact prompts and Gumloop automation steps. blog.alexanderfyoung.com Article · How Founders Use AI How I use Reddit and AI to find winning startup ideas (written version) Dr Alex Young
  12. A practical low-code version using Gumloop, n8n, or Zapier to feed comments into an LLM. medium.com Article · How Founders Use AI How to Use Reddit and AI to Find Startup Ideas That Actually Work Andiebuk (Medium)
  13. Converts Reddit threads, search data, and YouTube signals into scored startup ideas daily. ideabrowser.com Tool · How Founders Use AI Ideabrowser Greg Isenberg
  14. The G2 mining method: tag complaints into themes, count repeats, build against the gaps. bigideasdb.com Guide · How Founders Use AI How to Analyze G2 Reviews to Find Product Ideas Your Competitors Miss BigIdeasDB
  15. Turns competitor review pain into a concrete feature-gap roadmap. bigideasdb.com Guide · How Founders Use AI How to Turn G2 Reviews Into SaaS Ideas (Feature-Gap Method) BigIdeasDB
  16. Pre-mined pain points from Reddit, G2, Capterra, and app stores if you want to skip the scraping. bigideasdb.com Tool · How Founders Use AI BigIdeasDB: The Startup Ideas Database From 1M+ Real Complaints BigIdeasDB
  17. Explains which review source is high-signal for what: app stores for usability, G2 for B2B friction. cobbai.com Article · How Founders Use AI Customer Review Mining with AI: Unlocking Insights from App Stores, Marketplaces & Forums Cobbai
  18. Tool shortlist for ingesting reviews across G2, app stores, and support channels at scale. enterpret.com Guide · How Founders Use AI The 7 Best AI Tools to Analyze Customer Feedback Enterpret
  19. GummySearch's shutdown reshaped Reddit research tooling; this maps what replaced it. reddinbox.com Article · How Founders Use AI GummySearch is Gone: The Best Alternatives Reddinbox
  20. A second opinion on the post-GummySearch toolscape, including pay-per-analysis options. reddily.io Article · How Founders Use AI 7 Best GummySearch Alternatives (After Shutdown) Reddily
  21. A concise version of the Reddit discovery loop for quick orientation. geeky-gadgets.com Article · How Founders Use AI The Secret to Finding Million-Dollar Startup Ideas on Reddit Geeky Gadgets
  22. An operator separating the Reddit-mining tactics that work from the folklore. alexberman.com Article · How Founders Use AI AI Startup Ideas Reddit: What Actually Works Alex Berman
  23. Extends the mining method to X conversations using NotebookLM's grounded answers. medium.com Article · How Founders Use AI Market Research with Twitter (X.com) and NotebookLM in 10 Minutes AI Rabbit (Medium)
  24. Video · How Founders Use AI ChatGPT's Easy Way to Find Your Target Audience YouTube creator (marketing)

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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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