ArcadeDB is an open source multi model database released under the Apache 2.0 license. One engine handles graph, document, key value, time series and vector data, so you can query with SQL, Cypher, Gremlin and more without running separate databases. Built in Java for low latency and a small memory footprint, it runs embedded, standalone or clustered, and offers a straightforward migration path from Neo4j and other graph databases. ArcadeDB LLC is led by the team that created OrientDB and provides hourly priced enterprise support for ArcadeDB on AWS.