JanusGraph is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster.
JanusGraph is a project under The Linux Foundation, and includes participants from Expero, Google, GRAKN.AI, Hortonworks, IBM and Amazon.
Scalable
Links to janusgraph.org (13)
gdotv.comG.V() - Gremlin Graph Database IDE and Visualization Tool