50 USEFUL GITHUB REPOS 1. iFixAi — AI misalignment testing

50 USEFUL GITHUB REPOS 1. iFixAi — AI misalignment testing → 2. public-apis — free APIs for everything → 3. build-your-own-x — learn by building → 4. developer-roadmap — learn any tech skill → 5. free-programming-books — thousands of free books → 6. system-design-primer → 7. coding-interview-university → 8. the-art-of-command-line → 9. project-based-learning → 10. you-dont-know-js → 11. the-book-of-secret-knowledge → 12. tech-interview-handbook → 13. awesome-selfhosted → 14. javascript-algorithms → 15. 30-seconds-of-code → 16. github gitignore templates → 17. ollama — run LLMs locally → 18. langchain → 19. n8n automation → 20. openclaw — local AI assistant → 21. dify — AI app builder → 22. langflow → 23. mem0 — AI memory layer → 24. browser-use → 25. crewAI → 26. MetaGPT → 27. AutoGen (Microsoft) → 28. aider — AI coding assistant → 29. markitdown (Microsoft) → 30. open-webui → 31. maigret — OSINT tool → 32. TradingAgents → 33. stagehand → 34. firecrawl → 35. transformers (HuggingFace) → 36. vLLM → 37. llama.cpp → 38. llama_index → 39. nanoGPT (Karpathy) → 40. RAGFlow → 41. supermemory → 42. awesome-claude-skills → 43. Bumblebee (Perplexity AI security tool) → 44. ComfyUI → 45. DeepSeek (official repo varies by model release) → 46. Lobe Chat → 47. freeCodeCamp → 48. system design + interview prep extras (bonus) → 49. AI agents ecosystem (extra) → 50. automation + AI workflows (extra) → Save this before you forget it exists. You'll come back to at least ten of these.