10 open-source GitHub repos turn your docs into queryable knowledge graphs for agents
victor_explore · x · 2026-11-01
A curated list of 10 open-source repos that convert docs, codebases and PDFs into queryable knowledge graphs with graph search for agents:
- Graphify (140k stars): turns any codebase with docs, SQL schemas, configs and PDFs into a queryable knowledge graph, with a /graphify skill
- LightRAG (40k stars, EMNLP2025): graph plus vector search, a cheaper GraphRAG alternative
- Microsoft GraphRAG (34k stars): Microsoft's original GraphRAG
- Cognee (32k stars): self-hosted graph memory with MCP support
- Graphiti (32k stars): a graph that knows when facts changed
- RAG-Anything (23k stars): LightRAG for images, tables and math
- LLM Graph Builder (5k stars): upload files, get a Neo4j graph
- HippoRAG (4k stars): brain-inspired memory for multi-hop retrieval
- TrustGraph (3k stars): graph platform that keeps sources
- Neo4j GraphRAG Python (1k stars): Neo4j's official GraphRAG library
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