
Altibase is an enterprise grade, high performance and relational open source database, headquartered in Seoul, South Korea and New York, in the U.S.A. Altibase scales vertically and horizontally via auto-extend in-memory tables and sharding, respectively. Altibase's Mission is simple. Altibase wishes to deliver the highest performance, full-featured In-Memory database to the world. As the pioneer in In-Memory databases, with over 15 years of pure In-Memory expertise, Altibase makes business exponentially better with real time data management.
Amazon DynamoDB is a fast and flexible NoSQL database service for all applications that need consistent, single-digit millisecond latency at any scale. It is a fully managed cloud database and supports both document and key-value store models. Its flexible data model and reliable performance make it a great fit for mobile, web, gaming, ad tech, IoT, and many other 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.