Graph RAG Open Source Projects
Discover 3 open source Graph RAG repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Graph RAG projects here are most often combined with Knowledge Graph, Python and RAG. Last updated October 22, 2026.
gitnexus: Map Codebases for AI Agents with Knowledge Graphs
GitNexus builds a codebase knowledge graph with LadybugDB and Tree-sitter, then exposes it through MCP tools for AI coding agents. Use its local CLI for ongoing development or its browser UI for quick repository exploration.
ActiveHealth 46/100
graphrag: Build a TigerGraph-Powered Knowledge Assistant
TigerGraph GraphRAG combines TigerGraph’s graph and vector database with generative AI to answer questions over graph data and documents. It offers a chat UI, APIs, and agentic retrieval, for teams running TigerGraph and their own LLM service.
ActiveHealth 36/100
graphrag: Structure Text for LLM Question Answering
Microsoft GraphRAG is a Python data pipeline that uses LLMs and knowledge graphs to turn unstructured text into structured context for question answering. It is aimed at teams working with private or narrative data, but its indexing process can be costly.
ActiveHealth 71/100