ArangoDB, Inc. is a U.S. based privately held company founded in Cologne in 2014 to meet the increasing demand for professional services around ArangoDB. ArangoDB can operate as a distributed & highly scalable database cluster. The company ArangoDB, Inc. contributes to the project with developer resources, db architects and developer support.
Couchbase is the company behind the Couchbase open source project, a vibrant community of developers and users of Couchbase document-oriented database technology. Their flagship product, Couchbase Server, is a packaged version of Couchbase technology that’s available in Community and Enterprise Editions. They're known for their easy scalability, consistent high performance, 24x365 availability, and a flexible data model. Companies like AOL, Cisco, Concur, LinkedIn, Orbitz, Salesforce.com, Shuffle Master, Zynga and hundreds of others around the world use Couchbase Server for their interactive web and mobile applications.
OrientDB LTD is the company that is changing the way you store your data with OrientDB: a distributed Graph Database with the flexibility of Document Database. In a few words, the most powerful and flexible NoSQL solution available today. OrientDB released OrientDB Community Edition for FREE (Apache License) and Enterprise Edition under a commercial license.