Built for linked data

Database is built with RDF support, including multiple linked data formats such as NQuads and JSON-LD.

Supports your database

Cayley works on top of your existing database regardless of data model: SQL, NoSQL or even KV.

Highly modular

Everything is modular - you can extend it with new formats, backends, query languages or custom logic.

Multiple query languages

Support multiple query languages:
Gizmo (Gremlin dialect), MQL and GraphQL dialect.


Our community shares the passion about graphs and linked data.
Join us on Slack or Discourse.


Developed under Apache 2.0 license.
It’s free for you to use in any project.

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