Open source repositories tagged with #graphdb, ranked by health score.
One database for user-user (follows), user-item (likes), and item-item (related items) interactions — precomputed at write time, served as simple lookups
Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL.
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)