Free alternatives to Build Your Own X
Similar free or open-source options in the same category, ranked by relevance and quality.
| Resource | Pricing | Type | Licence | Platforms |
|---|---|---|---|---|
| Build Your Own X | Free | Learning | — | web |
| LLMs from Scratch | Free | Learning | — | web |
| Learn Claude Code | Free | Learning | MIT | web |
| AI Agents for Beginners | Free | Learning | MIT | web |
| AI Engineering from Scratch | Free | Learning | MIT | web |
| RAG Techniques | Free | Learning | — | web |
| Hello Agents | Free | Learning | — | web |
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LLMs from Scratch
github.comBuild a GPT-like model in PyTorch
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Learn Claude Code
learn.shareai.runBuild a minimal Claude Code–like agent harness from scratch—bash is all you need.
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AI Agents for Beginners
github.com12 lessons to get started building AI agents from the ground up.
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AI Engineering from Scratch
aiengineeringfromscratch.com503 lessons across 20 phases—implement backprop, tokenizer, and agents by hand.
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RAG Techniques
diamant-ai.comThis repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems.
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Hello Agents
hello-agents.datawhale.ccHands-on course on building AI agents from zero—principles and practice.