The MATE component mate-desktop contains the libmate-desktop library, the mate-about program, as well as some desktop-wide documents.

This library is a C++ wrapper around the ALSA library sequencer interface, using Qt6 objects, idioms and style. ALSA sequencer provides software support for MIDI technology on Linux. Complementary classes for RMI and WRK file processing are also included.

Pidgin is a graphical, modular instant messaging client capable of using multiple networks at once. Currently supported out of the box are: Jabber/XMPP, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, Lotus Sametime, SIMPLE, and Zephyr. It can support many more with plugins.

PulseAudio Volume Control (pavucontrol) is a simple GTK+ based volume control tool (mixer) for the PulseAudio sound server. In contrast to classic mixer tools this one allows you to control both the volume of hardware devices and of each playback stream separately. It also allows you to redirect a playback stream to another output device without interrupting playback.

The KDE Software Compilation is the powerful, integrated, and easy-to-use Free Software desktop platform and suite of applications.