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rag.

13 listedUpdated Sep 11, 2026

  1. Rank 1. Open WebUISelf-hosted chat UI that sits on Ollama, OpenAI, or a local runner.GitHub stars: 111k
  2. Rank 2. DifyVisual LLM app builder with RAG, agents, and a backend.GitHub stars: 118k
  3. Rank 3. RAGFlowOpen-source RAG engine with deep document understanding.GitHub stars: 65k
  4. Rank 4. AnythingLLMDesktop and server chat with documents, agents, and many backends.GitHub stars: 49k
  5. Rank 5. ChromaDeveloper-friendly embedding database for local RAG prototypes.GitHub stars: 23k
  6. Rank 6. KhojSelf-hostable AI second brain that searches your notes, docs, and the web.GitHub stars: 37k
  7. Rank 7. LlamaIndexThe MIT Python framework for building document ingestion and RAG pipelines.GitHub stars: 52k
  8. Rank 8. GraphRAGMicrosoft’s MIT library for graph-based RAG over whole document corpora.GitHub stars: 36k
  9. Rank 9. PrivateGPTApache-2.0 local RAG API layer for chatting with private documents offline.GitHub stars: 58k
  10. Rank 10. QuivrSecond-brain RAG server with an API and client libraries for your own app.GitHub stars: 40k
  11. Rank 11. SurfSenseOpen NotebookLM-style researcher that crawls the live web and chats with your files.GitHub stars: 16k
  12. Rank 12. kotaemonApache-2.0 document chat with visible citations and RAG evaluation built in.GitHub stars: 26k
  13. Rank 13. txtaiAll-in-one Python framework for embeddings, vector search, and RAG workflows.GitHub stars: 13k