4. Orientdb JsNew Javascript driver for OrientDB with a Blueprints/Gremlin like syntax. This library was an experiment and hasn't been maintained for long time. If you're using Node.js, we suggest to use https://github.com/orientechnologies/orientjs instead.
6. OrientdbOrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries. OrientDB Community Edition is Open Source using a liberal Apache 2 license.
7. OrientjsThe official fast, lightweight node.js client for OrientDB
11. pyorientOrientDB driver for Python that uses the binary protocol.