Rank1、LangChain(86k stars)
https://github.com/langchain-ai/langchain/.当之无愧的霸主，范围很全面，但代码
Rank2、Quivr(33.4k stars) https://github.com/StanGirard/quivr
Rank3、Llamalndex(32.1k stars) https://github.com/run-llama/llama_index/
Rank4、Dify(31.2k stars) https://github.com/langgenius/dify
Rank5、Langchain-Chatchat(28.5k stars) https://github.com/chatchat-space/Langchain-Chatchat
Rank6、QAnything(9.7k stars) https://github.com/netease-youdao/QAnything，特点是加入rerank，后期更新也加入了文档理解
Rank7、danswer(9.5k stars) https://github.com/danswer-ai/danswer
Rank8、RAGFlow(8.3k stars) https://github.com/infinifow/ragflow，特点是前期处理文档理解
Rank9、langchain4j(3.5k stars) https://github.com/langchain4j/langchain4j
Rank10、Verba(4.3k stars) https://github.com/weaviate/Verba
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