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.
MySQL is the world's most popular open source database. With its proven performance, reliability and ease-of-use, MySQL has become the leading database choice for web-based applications, used by high profile web properties including Facebook, Twitter, YouTube, Yahoo! and many more.
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.