Graph database

wikipedia:Graph database (GDB)

• Neo4j (2007)
• ArangoDB (2011)
• OrientDB (2010)
• Amazon Neptune (May 2018)

Google Trends

• Neo4j: https://trends.google.com/trends/explore?date=all&q=Neo4j
• ArangoDB: https://trends.google.com/trends/explore?date=all&q=ArangoDB
• Amazon Neptune: https://trends.google.com/trends/explore?date=all&q=Amazon%20Neptune
• OrientDB: https://trends.google.com/trends/explore?date=all&q=OrientDB

Related

• GraphQL API (Sep 2015)

See also

• Graph database: ArangoDB, Amazon Neptune, Neo4j, OrientDB
• NoSQL: Graph database, document-oriented database, Couchbase, Amazon DynamoDB, Amazon DocumentDB, MongoDB, FoundationDB

https://aws.amazon.com/blogs/aws/amazon-neptune-generally-available/