AllegroGraph from Franz Inc. is a semantic graph database focused on generating semantic knowledge graphs.
Grakn consists of a database, an abstraction layer and a knowledge graph, which is used to organise complex networks of data and make them queryable.
Memgraph is an in-memory, ACID-compliant, property graph database written in C++ that supports openCypher.
In this Data Governance Interview, I spoke to Ed Mathia. Ed is a Data Scientist who learned very quickly that...
GraphDB from Ontotext is a native RDF database with dynamic indexing that integrates with various search technologies, document stores, and text mining.
Stardog is an RDF database with strong support for SPARQL and OWL that can be extended to provide labelled property graph capabilities.