https://github.com/cayleygraph/cayley

An open-source graph database
https://github.com/cayleygraph/cayley

cayley go graph graph-database linked-data

Last synced: 6 days ago
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An open-source graph database

• Host: GitHub
• URL: https://github.com/cayleygraph/cayley
• Owner: cayleygraph
• License: apache-2.0
• Created: 2014-06-05T18:49:41.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2024-05-29T13:12:04.000Z (8 months ago)
• Last Synced: 2024-05-29T21:16:44.851Z (8 months ago)
• Topics: cayley, go, graph, graph-database, linked-data
• Language: Go
• Homepage: https://cayley.io
• Size: 19.1 MB
• Stars: 14,782
• Watchers: 576
• Forks: 1,251
• Open Issues: 93
• Metadata Files:
  • Readme: README.md
  • Contributing: docs/contributing.md
  • License: LICENSE
  • Codeowners: CODEOWNERS
  • Authors: AUTHORS

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README

        


  

    

  



![Tests](https://github.com/cayleygraph/cayley/actions/workflows/build-and-release.yml/badge.svg)

Cayley is an open-source database for [Linked Data](https://www.w3.org/standards/semanticweb/data). It is inspired by the graph database behind Google's [Knowledge Graph](https://en.wikipedia.org/wiki/Knowledge_Graph) (formerly [Freebase](https://en.wikipedia.org/wiki/Freebase_(database))).

[![Get it from the Snap Store](https://snapcraft.io/static/images/badges/en/snap-store-white.svg)](https://snapcraft.io/cayley)

## [Documentation](https://cayley.gitbook.io/cayley/)

## Features

- Built-in query editor, visualizer and REPL

- Multiple query languages:

  - [Gizmo](./docs/gizmoapi.md): query language inspired by [Gremlin](https://tinkerpop.apache.org/gremlin.html)

  - [GraphQL](./docs/graphql.md)-inspired query language

  - [MQL](./docs/mql.md): simplified version for [Freebase](https://en.wikipedia.org/wiki/Freebase_(database)) fans

- Modular: easy to connect to your favorite programming languages and back-end stores

- Production ready: well tested and used by various companies for their production workloads

- Fast: optimized specifically for usage in applications

### Performance

Rough performance testing shows that, on 2014 consumer hardware and an average disk, 134m quads in LevelDB is no problem and a multi-hop intersection query -- films starring X and Y -- takes ~150ms.

## Community

- Website: [cayley.io](https://cayley.io)

- Slack: [cayleygraph.slack.com](https://cayleygraph.slack.com) -- Invite [here](https://cayley-slackin.herokuapp.com/)

- Discourse list: [discourse.cayley.io](https://discourse.cayley.io) (Also acts as mailing list, enable mailing list mode)

- Twitter: [@cayleygraph](https://twitter.com/cayleygraph)

- Involvement: [Contribute](./docs/contributing.md)