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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. Lovable's own usage data on who builds software now: 80% in non-technical roles, with India among the largest paying markets. lovable.dev Article · How Founders Use AI A first look at the build economy Lovable
  2. Cursor's own post on the acquisition, which explains why its cheaper plans now centre on xAI's Grok models. cursor.com Article · How Founders Use AI Cursor is now a part of SpaceX Cursor
  3. The model behind Claude Code today, and the launch that raised Claude Code usage limits on paid plans. anthropic.com Article · How Founders Use AI Introducing Claude Opus 5.5 Anthropic
  4. A company that built a new product line in one weekend and took it to paying customers, told step by step. lovable.dev Article · How Founders Use AI How Nursa built a new product in 48 hours and changed how its entire company ships software Lovable
  5. Replit's launch of Cloud Agents: a non-engineer describes a change, the agent tests it and opens a pull request, and an... blog.replit.com Article · How Founders Use AI Anyone can now bring their ideas into the company codebase Replit
  6. How to write your conventions down once as a skill so you stop repeating the same context in every prompt. lovable.dev Guide · How Founders Use AI Turn repeated instructions into reusable skills in Lovable Lovable
  7. What the automatic scan checks before you publish (missing RLS, exposed data, authorisation gaps) and when to run the deeper... lovable.dev Article · How Founders Use AI How Lovable protects your apps automatically Lovable
  8. Explains why reading your code is not enough and how a test that attacks the running app finds the open doors, with real examples. blog.replit.com Article · How Founders Use AI Black-box pen tests on Replit Replit
  9. Lovable's own account of public projects' code and chat history being readable for eleven weeks, and why project visibility... lovable.dev Article · How Founders Use AI Our response to the April 2026 incident Lovable
  10. Lovable's own checklist for founders about to launch: running the scanner early, sensitive data, and preparing for real traffic. lovable.dev Guide · How Founders Use AI How to build a safe, scalable business on Lovable Lovable
  11. Lovable's launch of its built-in backend: a database, sign-up and log-in, and storage by telling it what you want, with no... lovable.dev Article · How Founders Use AI Introducing Lovable Cloud and AI Lovable
  12. Replit's own explanation of Free Mode, where everyday tasks stop using credits on the $20 Core plan. blog.replit.com Article · How Founders Use AI Replit Introduces Free Mode to Expand What is Possible with AI Replit
  13. Lovable's own funding post at a $13.3 billion valuation, and its plan to move from building apps to running businesses on them. lovable.dev Article · How Founders Use AI We just raised $400M in Series C funding to help people run their businesses Lovable
  14. Google's guide to building a native Android app from a prompt, previewing it in the browser and publishing it to the Play Store... ai.google.dev Guide · How Founders Use AI Build Android apps in Google AI Studio Google
  15. Shows how a draft gives you a separate copy with its own chat and preview, so nothing reaches your live app until you accept it. lovable.dev Article · How Founders Use AI Introducing drafts: an easier way to collaborate and explore new ideas Lovable
  16. Anthropic's data that Claude use has moved from conversations to long-running agentic tasks, and what people produce with them. anthropic.com Article · How Founders Use AI Anthropic Economic Index report: Cadences Anthropic
  17. The current MCP spec release from its maintainers: a stateless core and stronger authorisation, for whoever on your team runs... blog.modelcontextprotocol.io Article · How Founders Use AI The 2026-07-28 Specification MCP project
  18. Shows how to hand Claude a whole report or deck from a conversation and let it keep working after you close the laptop. claude.com Article · How Founders Use AI Claude Cowork and chat are now one Claude Anthropic
  19. Where ChatGPT's browsing agent lives now: Chat, Work and Codex in one desktop app, with Work handling research and finished files. help.openai.com Guide · How Founders Use AI Moving to the new ChatGPT desktop app OpenAI Help Center
  20. What happened to Atlas and where its browsing moved, for anyone who set up their research around it. pcmag.com Article · How Founders Use AI OpenAI to Retire ChatGPT Atlas Browser Less Than a Year After Launch PCMag
  21. Short report on Seedance 2.5: 30-second clips in one run from up to 30 images, 10 videos and 10 audio clips. technode.com Article · How Founders Use AI ByteDance launches Seedance 2.5 video-generation model TechNode
  22. What Suno v6 is, the licensed Warner and BMG recordings behind it, and what each plan allows. musicradar.com Article · How Founders Use AI Suno has rebuilt its AI music models from scratch with licensed music MusicRadar
  23. The suit against Suno v6, which matters before you put an AI track in a paid ad. musicradar.com Article · How Founders Use AI “Suno’s v6 is not a fresh start; it is the fruit of the same poisoned tree”: Universal and Sony sue AI firm over continued copyright infringement in its new model MusicRadar
  24. OpenAI's launch post: better fidelity to reference photos, edits that change only what you ask, Sketch, templates for flyers... openai.com Article · How Founders Use AI Introducing ChatGPT Images 2.5 OpenAI

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