Oracle Database is described as 'Delivers industry leading performance, scalability, security and reliability on a choice of clustered or single-servers running Windows, Linux, and UNIX. It provides comprehensive features to easily manage the most demanding transaction processing, business' and is a relational database in the development category. There are more than 50 alternatives to Oracle Database for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. The best Oracle Database alternative is SQLite, which is both free and Open Source. Other great apps like Oracle Database are PostgreSQL, MySQL Community Edition, MongoDB and Microsoft SQL Server.