Build software better, together

surrealdb / surrealdb

A scalable, distributed, collaborative, document-graph database, for the realtime web

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Updated Sep 1, 2026
Rust

topoteretes / cognee

Sponsor

Star

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

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Updated Sep 3, 2026
Python

neo4j / neo4j

Star

Graphs for Everyone

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Updated Aug 24, 2026
Java

cayleygraph / cayley

Star

An open-source graph database

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Updated Aug 27, 2026
Go

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.

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Updated Sep 3, 2026
C++

vesoft-inc / nebula

Star

A distributed, fast open-source graph database featuring horizontal scalability and high availability

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Updated May 18, 2026
C++

HelixDB / helix-db

Star

HelixDB is an OLTP graph database with native vector and full-text search built in Rust on Object Storage.

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Updated Sep 3, 2026
Rust

FalkorDB / FalkorDB

Star

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).

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Updated Sep 3, 2026
Rust

JanusGraph / janusgraph

Star

JanusGraph: an open-source, distributed graph database

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Updated Aug 18, 2026
Java

orientechnologies / orientdb

Sponsor

Star

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.

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Updated Sep 2, 2026
Java

vitali87 / code-graph-rag

Sponsor

Star

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

Updated Sep 3, 2026
Python

apache / age

Star

Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL.

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Updated Aug 28, 2026
C

FlowElement-xinliuyuansu / m_flow

Star

A bio-inspired cognitive memory engine — a new paradigm for Graph RAG.

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Updated Sep 1, 2026
Python

memgraph / memgraph

Star

High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible, built in C++.