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A distributed, fast open-source graph database featuring horizontal scalability and high availability
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A distributed, scalable, lightning-fast graph database

build and test workflow build docker image workflow make nebula packages workflow nebula star nebula fork codecov

What is Nebula Graph?

Nebula Graph is an open-source graph database capable of hosting super large scale graphs with dozens of billions of vertices (nodes) and trillions of edges, with milliseconds of latency.

Compared with other graph database solutions, Nebula Graph has the following advantages:

  • Symmetrically distributed
  • Storage and computing separation
  • Horizontal scalability
  • Strong data consistency by RAFT protocol
  • SQL-like query language
  • Role-based access control for higher level security


See our Roadmap for what's coming soon in Nebula Graph.

Graph Visualization

Visit Graph Visualization for visual exploration of graph data on web UI.

Supported Clients

Quick start

Read the Getting started article for a quick start.

Please note that you must install Nebula Graph by installing source code, rpm/deb packages or docker compose, before you can actually start using it. If you prefer a video tutorial, visit our YouTube channel.

Getting help

In case you encounter any problems playing around Nebula Graph, please reach out for help:





Contributions are warmly welcomed and greatly appreciated. And here are a few ways you can contribute:


Nebula Graph is under Apache 2.0 license, so you can freely download, modify, and deploy the source code to meet your needs. You can also freely deploy Nebula Graph as a back-end service to support your SaaS deployment.

In order to prevent cloud providers monetizing from the project without contributing back, we added Commons Clause 1.0 to the project. As mentioned above, we fully commit to the open source community. We would love to hear your thoughts on the licensing model and are willing to make it more suitable for the community.


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