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. Build a mobile app from your phone; 40,000+ apps created. vibecodeapp.com Tool · How Founders Use AI Vibecode: AI mobile and web app builder Vibecode (Riley Brown)
  2. Try the build-an-app-inside-an-app experience yourself. apps.apple.com Tool · How Founders Use AI Vibecode on the App Store Vibecode
  3. See how these builders work under the hood, free and open. github.com Tool · How Founders Use AI vibra-code: open-source AI app builder for mobile sa4hnd (GitHub)
  4. The no-code route to an admin surface with user permissions over live Postgres data. softr.io Tool · How Founders Use AI Build a custom Supabase admin dashboard in minutes Softr
  5. Describe the tracker you need and Omni generates tables, interfaces, and automations in one shot. airtable.com Tool · How Founders Use AI Airtable Omni: Your expert AI app builder Airtable
  6. Open-source middle ground: looks like a spreadsheet, behaves like a database, AI formula assistant built in. getgrist.com Tool · How Founders Use AI Grist: spreadsheet software to end data chaos Grist Labs
  7. Prompt-to-app with the database auto-structured, including an MIT case that replaced a $100k custom app. softr.io Tool · How Founders Use AI Softr AI Co-Builder: build real business software with AI Softr
  8. The heavyweight option when your internal tool needs real data governance and agents. retool.com Tool · How Founders Use AI Retool AI: automate and speed up business processes Retool
  9. Lovable's internal-tools recipes: concrete starting prompts for trackers and workflows. lovable.dev Tool · How Founders Use AI Lovable for internal project management tools Lovable
  10. The official page on how Lovable, Bolt, and friends wire into Supabase underneath. supabase.com Tool · How Founders Use AI Supabase for AI Builders Supabase
  11. Open-source and self-hostable, the escape hatch if vendor pricing ever bites. github.com Tool · How Founders Use AI grist-core: the evolution of spreadsheets Grist Labs
  12. A purpose-built tool for the day you outgrow Airtable and want your data in Postgres. atmigrator.com Tool · How Founders Use AI AT Migrator: Airtable to PostgreSQL migration tool AT Migrator
  13. Built for exactly this user: the CEO or support lead who needs answers without a BI seat. askyourdatabase.com Tool · How Founders Use AI AskYourDatabase: AI data analyst and SQL chatbot AskYourDatabase
  14. Configurable read/write access so your AI can query the database without being able to wreck it. github.com Tool · How Founders Use AI postgres-mcp: Postgres MCP Pro Crystal DBA
  15. Self-serve BI with Metabot AI: teammates ask questions, it writes and explains the SQL. metabase.com Tool · How Founders Use AI Metabase: open source analytics that answers back Metabase
  16. Connects Postgres plus HubSpot, Sheets, and Shopify, matching a founder's actual scattered stack. talktoyourdata.app Tool · How Founders Use AI Talk To Your Data: chat with your database and SaaS tools Talk To Your Data
  17. The self-hostable automation layer that owns the founder-automation conversation right now. n8n.io Tool · How Founders Use AI n8n AI: advanced AI workflow automation n8n
  18. The fastest zero-code start, with 8,000+ connectors your stack already lives in. zapier.com Tool · How Founders Use AI Zapier AI: transform your operations Zapier
  19. One page comparing every builder's subscription and credit model side by side. vibecompare.dev Tool · How Founders Use AI Vibe Coding Tool Pricing: All Plans Compared VibeCompare
  20. Plug in your project and get a defensible estimate before you commit either way. nxcode.io Tool · How Founders Use AI Vibe Coding Cost Calculator: AI vs Traditional Development Costs NxCode
  21. The self-hostable BI standard, now with Metabot AI writing and debugging queries. github.com Tool · How Founders Use AI metabase/metabase: open source BI Metabase
  22. The no-code route when your metrics already live in a sheet the team maintains. glideapps.com Tool · How Founders Use AI Build a KPI Tracking Dashboard With AI Glide
  23. The full course repo covering smolagents, LlamaIndex and LangGraph side by side. github.com Tool · How Founders Use AI Hugging Face Agents Course (GitHub) Hugging Face
  24. Estimate a task's cost across models before you commit to one. tokencalculator.ai Tool · How Founders Use AI AI Token Calculator TokenCalculator

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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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