Official Course
Intermediate
★ Featured
Hugging Face · AI Agent Development
Hugging Face's official Agent course covering tool calling, RAG, reasoning agents, and hands-on work with smolagents. All free.
Official Docs
Intermediate
★ Featured
LangChain · AI Agent Development
Docs for the most popular LLM application framework, covering model I/O, chains, retrieval, memory, and Agents, with a huge ecosystem.
Official Docs
Advanced
LangChain · AI Agent Development
LangChain's framework for orchestrating stateful Agents, supporting cycles, human-in-the-loop, persistence, and debugging.
Official Docs
Intermediate
LlamaIndex · AI Agent Development
A data framework for RAG development, covering retrieval, indexing, query engines, and Agents, with rich documentation examples.
Open Source Project
Beginner
★ Featured
Dify · AI Agent Development
An open-source LLM app development platform with visual orchestration of RAG and Agents, one-click deployment, and friendly Chinese docs.
Open Source Project
Beginner
FastGPT · AI Agent Development
An open-source knowledge base Q&A system with out-of-the-box visual RAG orchestration, APIs, and Docker deployment.