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Kotaemon

retrieval
Assess

Kotaemon is an open‑source, self‑hostable RAG-based platform offering document‑centric chat and QA. It caters to both non‑technical end users and developers seeking to build or demo document question‑answering workflows via a customizable Gradio UI.

For developers it provides a good demo on different RAG patterns.

Features

  • Hybrid retrieval pipeline combining full-text and vector search, with re-ranking for higher relevance. Low‑confidence retrieval results are flagged.
  • Multi-modal document support, including tables and figures, with citation previews directly in-browser. Highlighted text snippets are shown in citations.
  • Advanced reasoning support, including question decomposition and agent‑style chains (e.g. ReAct, ReWOO) for complex queries.
  • Integration of GraphRAG

Ressources: