JanusGraph is a highly scalable graph database optimized for storing and querying large graphs with billions of vertices and edges distributed across a multi-machine cluster. JanusGraph is a transactional database that can support thousands of concurrent users, complex traversals, and analytic graph queries.

Learn More

The project homepage contains more information on JanusGraph and provides links to documentation, getting-started guides and release downloads.

Visualization

To visualize graphs stored in JanusGraph, you can use any of the following tools:

• Cytoscape
• Gephi plugin for Apache TinkerPop
• Graphexp
• KeyLines by Cambridge Intelligence
• Linkurious

Community

• Chat: join us on Gitter

• Stack Overflow: see the janusgraph tag

• Twitter: follow @JanusGraph for news and updates

• Mailing lists:

  • janusgraph-users (at) googlegroups.com (archives) for questions about using JanusGraph, installation, configuration, integrations

    To join with a Google account, use the web UI; to subscribe/unsubscribe with an arbitrary email address, send an email to:

    • janusgraph-users+subscribe (at) googlegroups.com
    • janusgraph-users+unsubscribe (at) googlegroups.com

  • janusgraph-dev (at) googlegroups.com (archives) for internal implementation of JanusGraph itself

    To join with a Google account, use the web UI; to subscribe/unsubscribe with an arbitrary email address, send an email to:

    • janusgraph-dev+subscribe (at) googlegroups.com
    • janusgraph-dev+unsubscribe (at) googlegroups.com

Contributing

Please see CONTRIBUTING.md for more information, including CLAs and best practices for working with GitHub.

Powered by JanusGraph

• Apache Atlas - metadata management for governance (website)
• Eclipse Keti - access control service to protect RESTful APIs (website)
• Exakat - PHP static analysis (website)
• Open Network Automation Platform (ONAP) - automation and orchestration for Software-Defined Networks
• Unifi Catalog & Discovery - JanusGraph is embedded into the Unifi Data Catalog UI to enable users to determine how datasets and attributes are related.

• Uber Knowledge Graph (event info)
• Express-Cassandra - Cassandra ORM/ODM/OGM for Node.js with optional support for Elassandra & JanusGraph

• Windup by RedHat - application migration and assessment tool (website)

Users

The following users have deployed JanusGraph in production.

• CELUM - use case and system architecture
• FiNC
• G DATA
• Netflix - video and slides (graph discussion starts at #86)
• Qihoo 360 (about)
• Red Hat - application migration and assessment tool built on Windup
• Sift Security
• Times Internet - blog post about CMS use case (the CMS which is serving this blog post runs on JanusGraph)
• Uber

The following companies offer JanusGraph hosted as-a-service:

• IBM