If you'd rather see the list of names, you can find them here:
ArangoDB | Cassandra | Titan | OrientDB |
Apache HBase | Couchbase | JanusGraph | RavenDB |
Apache TinkerPop | CouchDB | Keylines | Redis |
Azure CosmosDB | Infinispan | Linkurious | Riak |
Basho | IBM Graph | Memcached | Scylla |
Blazegraph | Hazelcast | MongoDB | Solr |
Bootstrap Stack | Grakn.ai | Neo4J | Tom Sawyer Graph Database |
DataStax | Elastic | Oracle NoSQL Database |