Repository Index

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

• database
• distributed
• distributed-database
• document-database

An open-source graph database

• graph
• graph-database
• cayley
• go

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

• graph-database
• distributed
• database
• graphdb

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).

• graph-database
• knowledge-graph
• database-as-a-service
• cloud-database

JanusGraph: an open-source, distributed graph database

• graph-database
• tinkerpop
• gremlin
• hbase

Distributed Graph Database

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

• graph-algorithms
• graph-database
• graph-analysis
• kafka

TerminusDB is a Knowledge Graph Database with Version Control. Time-travel, reason, collaborate, branch, merge, diff, and query your data with Datalog.

• knowledge-graphs
• linked-data
• terminusdb
• collaboration

RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.

• rdflib
• semantic-web
• linked-data
• python

Versioned, fast, distributed Datalog engine for everyone.

• datahike
• datalog
• database
• clojure

🚀 The open-source, multi-tenant platform for self-building knowledge graphs and simulation

• hash
• rust
• typescript
• graph

A simple, fast and versatile Datalog database

• key-value-store
• embedded-database
• fulltext-search
• vector-database

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.

• bolt
• cypher
• database
• enterprise-solutions

Embedded transactional database for blobs, documents & graphs, with kernel-bypass NVMe through io_uring & SPDK, GPU compaction, and one C ABI over its own, RocksDB & LevelDB engines 🗄️

• acid
• database
• key-value-store
• document-database

VivaceGraph. Open source Common Lisp graph database & Prolog implementation.

A pure JavaScript implementation of TinkerPop's TinkerGraph in-memory graph database

Ductile DB is a graph database based on Hadoop/HBase which provides a vast set of features.