Graph Database - OSSRank

Rank	Project
1562 415	Neo4j Graph Database Neo4j started in 2007 81,655 commits 348 contributors
1677 344	JanusGraph Graph Database Mapped started in 2012 6,778 commits 200 contributors
2197 261	Nebula Graph Database vesoft started in 2018 5,431 commits 141 contributors
2597 31	Apache AGE PostgreSQL Ecosystem Graph Database Bitnine started in 2019 758 commits 87 contributors