NebulaGraph

NebulaGraph is an open-source distributed graph database built for super large-scale graphs with milliseconds of latency. NebulaGraph adopts the Apache 2.0 license and also  comes with a wide range of data visualization tools.

History
NebulaGraph was developed in 2018 by Vesoft Inc. In May 2019, NebulaGraph was open-sourced on GitHub and its alpha version was released same year.

In June 2020, NebulaGraph raised $8M in a series pre-A funding round led by Redpoint China Ventures and Matrix Partners China.

In June 2019, NebulaGraph 1.0 GA version was released while version  2.0 GA  was released in March 2021. The latest version 3.0.2 of Nebula was released in March 2022.

In September 2023, NebulaGraph and LlamaIndex introduced Graph RAG for retrieval-augmented generation.