KDE 4 is the next generation of the popular K Desktop Environment which seeks to fulfill the need for a powerful yet easy to use desktop for both personal and enterprise computing. The aim of the KDE project for the 4.0 release is to put the foundations in place for future innovations on the Free Desktop. The many newly introduced technologies incorporated in the KDE libraries will make it easier for developers to add rich functionality to their applications, combining and connecting different components in any way they want.
Tux Enclave. 