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In-depth tutorials on LLMs, RAGs and real-world AI agent applications.
| Resource | Pricing | Type | Licence | Platforms | Popularity | Last commit | Link |
|---|---|---|---|---|---|---|---|
| AI Engineering Hub | Free | Learning | MIT | web | ★ 37k | 10 Sept 2026 | ✓ |
| AI Engineering from Scratch | Free | Learning | MIT | web | ★ 46k | 2 Oct 2026 | ✓ |
| LLMs from Scratch | Free | Learning | — | web | ★ 102k | 2 Oct 2026 | ✓ |
| Learn Claude Code | Free | Learning | MIT | web | ★ 74k | 28 Sept 2026 | ✓ |
| AI Agents for Beginners | Free | Learning | MIT | web | ★ 72k | 19 Sept 2026 | ✓ |
| Hello Agents | Free | Learning | — | web | ★ 72k | 29 Sept 2026 | ✓ |
| RAG Techniques | Free | Learning | — | web | ★ 29k | 21 Sept 2026 | ✓ |
503 lessons across 20 phases—implement backprop, tokenizer, and agents by hand.
Build a minimal Claude Code–like agent harness from scratch—bash is all you need.
Hands-on course on building AI agents from zero—principles and practice.
This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems.
