PostgreSQL is a powerful, open source relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows.

It is fully ACID compliant, has full support for foreign keys, joins, views, triggers...

Applications Manager monitors performance and availability of application servers (JBoss, WebSphere, Oracle AS, WebLogic, Tomcat, WebLogic Integration, Microsoft .NET), Transactions(J2EE Web Transactions, Java Runtime), databases (MySQL, SQL Server,Oracle, IBM DB2, Sybase), SAP, web sites, systems, and network services. It helps IT Administrators and Operators managing an IDC or the IT infrastructure of an enterprise by providing fault and performance management capabilities.