Oracle TimesTen is described as 'TimesTen is a memory-optimized, relational database management system with persistence and recoverability. Originally designed and implemented at Hewlett-Packard labs in Palo Alto, California, TimesTen was spun out into a separate startup in 1996 and acquired by Oracle' and is a relational database in the development category. There are more than 25 alternatives to Oracle TimesTen for a variety of platforms, including Windows, Linux, Mac, Web-based and BSD apps. The best Oracle TimesTen alternative is SQLite, which is both free and Open Source. Other great apps like Oracle TimesTen are PostgreSQL, MySQL Community Edition, MongoDB and Microsoft SQL Server.