NebulaGraph
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NebulaGraph is a free software distributed graph database built for super large-scale graphs with milliseconds of latency. NebulaGraph adopts the Apache 2.0 license and comes with a wide range of data visualization tools.
History
NebulaGraph was developed in 2018 by Vesoft Inc. In May 2019, NebulaGraph made its free software available on GitHub, and its alpha version was released in the 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 was released, while version 2.0 GA was released in March 2021.
In September 2023, NebulaGraph and LlamaIndex introduced Graph RAG for retrieval-augmented generation.
In November 2025, NebulaGraph Enterprise V5.2 was released. A major upgrade built for Graph Intelligence with a lightweight in-database compute engine, 100x faster path queries, and native graph-vector-text hybrid retrieval.