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

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.

Graphs for Everyone

An open-source graph database

🥑 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.

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

HelixDB is an OLTP graph-vector database built in Rust on Object Storage.

JanusGraph: an open-source, distributed graph database

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).

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.

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

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

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

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

A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!

Embedded property graph database built for speed. Vector search and full-text search built in. Implements Cypher.

TerminusDB is a distributed, collaborative database designed for building, sharing, versioning, and reasoning on structured data.

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

小型金融知识图谱构建流程（neo4j / python / cypher / KG）

A graph database written in rust