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. How to let Gemini work with Gmail, Drive, Calendar, Maps and YouTube, and how to turn each connection off. support.google.com Guide · How Founders Use AI Use & manage Connected Apps in Gemini Google Gemini Help
  2. How Deep Research searches many sources (Google Search by default, or ones you choose) and writes a report you can read or export. support.google.com Guide · How Founders Use AI Use Deep Research in Gemini Apps Google Gemini Help
  3. Drafting and editing a document or a small app side by side with Gemini. support.google.com Guide · How Founders Use AI Create docs, apps & more with Canvas Google Gemini Help
  4. What Plus adds for $20 a month: priority access, higher limits, reasoning models, voice, images, uploads and deep research, and... help.openai.com Guide · How Founders Use AI What is ChatGPT Plus? OpenAI Help Center
  5. A tested comparison updated 14 September 2026: Claude for professionals, Gemini for Google users, Copilot for an integrated... zapier.com Article · How Founders Use AI The 4 best ChatGPT alternatives in 2026 Zapier
  6. What uses up your Claude limits (long chats, big files, Research, model and effort choice) and how to make them last. support.claude.com Guide · How Founders Use AI Usage limit best practices Anthropic Help Center
  7. What Gemini can do on a phone: talk about your screen, use Live, make calls and messages, set reminders and work with connected... support.google.com Guide · How Founders Use AI What you can do with your Gemini mobile app Google Gemini Help
  8. Anthropic's course on working with AI well: when to delegate, how to describe a task, and how to judge what comes back. anthropic.skilljar.com Course · How Founders Use AI AI Fluency: Framework & Foundations Anthropic Academy
  9. A free online introduction to AI for non-experts with no complicated maths or programming, plus Building AI for those who want... elementsofai.com Course · How Founders Use AI Elements of AI MinnaLearn and the University of Helsinki
  10. A self-learning programme in two parts, AI Aware and AI Appreciate, that takes about four hours and is available in 11 Indian... ai-for-all.in Course · How Founders Use AI AI For All Digital India, CBSE and Intel
  11. Manus's rebuilt agent that makes sites, decks and videos on its own cloud computer and runs automations. manus.im Article · How Founders Use AI Introducing Manus 2.0 Manus
  12. Zerodha's own guide to its free Kite MCP, which lets Claude read your Zerodha portfolio and answer questions about it, with... zerodha.com Article · How Founders Use AI Connect your Zerodha account to AI assistants with Kite MCP Zerodha
  13. Google's own list of languages its translation supports, including Kannada, Odia, Assamese and the other Indian languages. cloud.google.com Guide · How Founders Use AI Cloud Translation supported languages Google Cloud
  14. Sarvam's translation models: mayura:v1 for Bengali, Gujarati, Hindi, Kannada, Malayalam, Marathi, Odia, Punjabi, Tamil, Telugu... docs.sarvam.ai Guide · How Founders Use AI Translate text (Sarvam API) Sarvam AI
  15. DeepL's full language list, which now includes Hindi, Bengali, Tamil, Telugu, Marathi, Gujarati, Malayalam and Punjabi but not... support.deepl.com Guide · How Founders Use AI DeepL Translator languages DeepL
  16. Apple's guide to the free transcript in Voice Memos: iPhone 12 or later, with the list of supported languages, live while... support.apple.com Article · How Founders Use AI View a Voice Memos transcription on iPhone Apple Support
  17. How to record in Notes and get a searchable transcript you can copy into other documents. support.apple.com Article · How Founders Use AI Record and transcribe audio in Notes on iPhone Apple Support
  18. Google's limits for uploads: audio up to 10 minutes per prompt on the free plan and up to 3 hours on Google AI Pro or Ultra,... support.google.com Article · How Founders Use AI Upload and analyze files in Gemini Apps Gemini Apps Help
  19. How Word's Transcribe turns uploaded audio (.wav, .mp4, .m4a, .mp3) into a transcript split by speaker, up to 300 minutes a... support.microsoft.com Article · How Founders Use AI Transcribe your recordings Microsoft Support
  20. Apple's steps for merging: show thumbnails, drag pages between documents or drag a whole PDF from Finder, and duplicate the... support.apple.com Article · How Founders Use AI Combine PDFs in Preview on Mac Apple Support
  21. How to insert, delete and reorder pages, and move pages from one PDF to another, which is also how you split a document. support.apple.com Article · How Founders Use AI Add, delete, or move PDF pages in Preview on Mac Apple Support
  22. YouTube's library of royalty-free music and sound effects in YouTube Studio, the safe source of a soundtrack for a video you... support.google.com Article · How Founders Use AI Use music and sound effects from the Audio Library YouTube Help
  23. Anthropic's limits for files in chat: up to 20 files per chat, 500 MB a file, and PDFs up to 1,000 pages. support.claude.com Article · How Founders Use AI Upload files to Claude Anthropic
  24. How to turn off Improve the model for everyone, which is on by default for Free, Plus and Pro, so your uploads are not used for... help.openai.com Article · How Founders Use AI Data controls in ChatGPT OpenAI Help Center

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