NetworkX
NetworkX is a Python language software package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks. Source code : https://github.com/networkx/
LemonGraph
An embedded transactional graph engine for Python backed by a LMDB file. Works with Python 2.6, 2.7 and 3.x.
AllegroGraph
Unlike traditional relational databases or Property Graph Databases, AllegroGraph employs semantic graph technologies that pro ...
neo4j
You can think of Neo4j as a high-performance graph engine with all the features of a mature and robust database. The programm ...
Wikibase
Wikibase is the software that runs Wikidata, but is also usable for other projects beyond that. Wikibase allows the collaborat ...
graph-tool
Graph-tool is an efficient Python module for manipulation and statistical analysis of graphs (a.k.a. networks). Contrary to mo ...
Orient DB
The Document-Graph database, SQL and Native Queries, asynchronous commands, intents, and much more. OrientDB is "fast" ( stori ...
RedisGraph
RedisGraph is a property graph database module for Redis. It is the first graph database to use linear algebra on sparse adjac ...
Bitsy graph database
Bitsy is a small, fast, embeddable, durable in-memory graph database that implements the Blueprints API. It supports ACID tran ...
Titan Database
Titan is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and e ...
Trinity Graph Engine
Graph Engine is a distributed, in-memory, large graph processing engine. The distributed RAM store provides a globally address ...
ArangoDB
ArangoDB database is an open-source NoSQL solution with a flexible data model for documents, graphs, and key-values. Build hi ...
Flockdb
FlockDB is a distributed graph database for storing adjancency lists, with goals of supporting: a high rate of add/update/remo ...