KDE is known as K Desktop Environment, it is one of the popular desktop environments running on Unix and Linux. Finally at last the long awaited stable KDE, they have announced their gold version 4.0 ready for the public.

KDE 4 not only bring in a cool series of technology like Decibel, Phonon, Solid, they also have new desktop shell called Plasma, new graphical user interface – Oxygen. Besides that, there are entire new series of applications such as Dolphin, Okular, Marble and etc.

There are already some Linux distros included the latest KDE 4.0 such as Kubuntu, Mandriva, Debian, KDE Four Live and so on.