The fast, compact Empress RDBMS ( Relational Database Management System ) is ideal for use in embedded applications on Unix, Windows, or real-time environments.
GtkSQL is a graphical query tool (like PostgreSQL's psql). It is released under the GNU GPL license, and was developed using Gtk+ 1.2.3 and PostgreSQL 6.3.
DB2 for Linux provides: security, performance monitoring, connection monitoring, simplified connection configuration, centralized client configuration, and high data availability.