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#graph-database (30 Repositories)

Ranked open-source repositories tagged with #graph-database, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

64.4%

Avg Review Latency

35.4h

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30 repositories tagged #graph-database

S TierRust 171

samyama-ai/samyama-graph

Graph-vector database that queried 1 billion edges for $2.50. Rust, OpenCypher, vector search, 14 graph algorithms. 74M nodes / 1B edges on a single machine.

87.4%
Merge Rate
3h
First Review
80%
1st-Timers
2
Maintainers
S TierPython 4.8k 1 GFIs

vitali87/code-graph-rag

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

91.8%
Merge Rate
16h
First Review
83%
1st-Timers
10
Maintainers
B TierRust 64

ryaker/SparrowDB

Embedded graph database — Cypher queries, no server, no subscription. Rust-native with Python, Node.js & Ruby bindings.

96.2%
Merge Rate
1h
First Review
100%
1st-Timers
1
Maintainers
S TierPython 244

neo4j/graph-data-science-client

A Python client for the Neo4j Graph Data Science (GDS) library

90.3%
Merge Rate
16h
First Review
86%
1st-Timers
11
Maintainers
B TierJava 5.8k

JanusGraph/janusgraph

JanusGraph: an open-source, distributed graph database

100.0%
Merge Rate
9h
First Review
100%
1st-Timers
1
Maintainers
A TierPython 439 3 GFIs

awslabs/graphrag-toolkit

Python toolkit for building graph-enhanced GenAI applications

86.2%
Merge Rate
15h
First Review
88%
1st-Timers
4
Maintainers
A TierC++ 14.3k

arangodb/arangodb

🥑 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.

85.8%
Merge Rate
2d
First Review
91%
1st-Timers
22
Maintainers
A TierRust 639

Pometry/Raphtory

Scalable graph analytics database powered by a multithreaded, vectorized temporal engine, written in Rust

79.4%
Merge Rate
3d
First Review
82%
1st-Timers
11
Maintainers
A TierRust 1.1k

ModernRelay/omnigraph

Lakehouse native graph engine with git-style workflows

84.9%
Merge Rate
2d
First Review
33%
1st-Timers
9
Maintainers
A TierJava 2.1k

apache/tinkerpop

Apache TinkerPop - a graph computing framework

83.0%
Merge Rate
1d
First Review
92%
1st-Timers
8
Maintainers
A TierC++ 140

alibaba/neug

High-performance embedded graph database for analytics and real-time transactions

80.0%
Merge Rate
3d
First Review
64%
1st-Timers
12
Maintainers
A TierPython 992

FalkorDB/GraphRAG-SDK

Build fast and accurate GenAI apps with GraphRAG SDK at scale 🌟

56.3%
Merge Rate
<1h
First Review
50%
1st-Timers
5
Maintainers
A TierJava 261

eclipse-jnosql/jnosql

Eclipse JNoSQL is a framework which has the goal to help Java developers to create Jakarta EE applications with NoSQL.

65.7%
Merge Rate
12h
First Review
40%
1st-Timers
4
Maintainers
B TierClojure 1.5k 1 GFIs

datalevin/datalevin

A simple, fast and versatile Datalog database

100.0%
Merge Rate
21h
First Review
100%
1st-Timers
1
Maintainers
B TierKotlin 180

neo4j-contrib/neo4j-streams

Neo4j Kafka Connector

100.0%
Merge Rate
6d
First Review
100%
1st-Timers
0
Maintainers
B TierTypeScript 323

rush-db/rushdb

RushDB is a graph + vector database and memory layer for AI agents. Push any JSON, get typed, searchable, relationship-aware records back — no schema, no migrations. Built on Neo4j.

83.3%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
B TierJava 433

JetBrains/youtrackdb

YouTrackDB is a general-use object-oriented graph database with storage format native to handle graph relations. YouTrackDB supports Gremlin queries and ACID transactions. YTDB supports both embedded and client-server deployment models.

85.1%
Merge Rate
12d
First Review
25%
1st-Timers
3
Maintainers
B TierJava 3.2k 3 GFIs

apache/hugegraph

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

74.2%
Merge Rate
2d
First Review
100%
1st-Timers
17
Maintainers
B TierC++ 4.4k

memgraph/memgraph

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

71.1%
Merge Rate
2d
First Review
40%
1st-Timers
22
Maintainers
B TierPython 30.3k 61 GFIs

topoteretes/cognee

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.

48.6%
Merge Rate
1d
First Review
23%
1st-Timers
70
Maintainers
B TierC 4.8k

apache/age

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

46.4%
Merge Rate
16h
First Review
50%
1st-Timers
15
Maintainers
B TierC++ 178

turing-db/turingdb

TuringDB high performance in-memory column-oriented graph database engine

14.3%
Merge Rate
13h
First Review
0%
1st-Timers
2
Maintainers
B TierRust 5.9k

HelixDB/helix-db

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

60.5%
Merge Rate
3d
First Review
0%
1st-Timers
7
Maintainers
B TierRust 992 1 GFIs

Evokoa/pgGraph

Open-source graph database superpowers for your existing Postgres data.

50.0%
Merge Rate
1h
First Review
100%
1st-Timers
0
Maintainers
B TierJava 5.0k

orientechnologies/orientdb

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.

66.7%
Merge Rate
1d
First Review
0%
1st-Timers
3
Maintainers
B TierRust 5.6k

FalkorDB/FalkorDB

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).

44.6%
Merge Rate
2d
First Review
22%
1st-Timers
26
Maintainers
B TierRuby 1.4k

neo4jrb/activegraph

An active model wrapper for the Neo4j Graph Database for Ruby.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
1
Maintainers
D TierC 1.5k

skaiworldwide-oss/agensgraph

AgensGraph, a transactional graph database based on PostgreSQL

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierTypeScript 477

cyanheads/atlas-mcp-server

A Model Context Protocol (MCP) server for ATLAS, a Neo4j-powered task management system for LLM Agents - implementing a three-tier architecture (Projects, Tasks, Knowledge) to manage complex workflows. Now with Deep Research.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierJavaScript 477

brandonbloom/jseg

A super simple, in-memory, JS graph database.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
Best Graph-database Open Source Repositories & C-Rank™ | GetMerged