Database Software

• 
  Oracle Database Express EditionLibre

  A free edition of Oracle Database.

• 
  MySQL Community ServerLibre

  The freely downloadable version of the world's most popular open source database.

• 
  PostgreSQLLibre

  A powerful, open source object-relational database system.

• 
  MariaDB ServerLibre

  The open source relational database.

• 
  Microsoft SQL Server ExpressLibre

  A powerful and reliable free data management system.

• 
  H2 Database EngineLibre

  H2 is free SQL database written in Java.

• 
  SQLiteLibre

  An in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.