KRadio is a comfortable radio application for KDE 4.x with support for V4L and V4L2 radio cards drivers.

NtEd is a GTK+ score editor. It intends to be really WYSIWYG: what you see on the screen is exactly what you get on printer output. It supports up to 4 voices per staff, drum notes, 5 lyrics lines, N-Tuplets, context changes, repeats with alternatives, configurable music instruments per staff, MIDI / MusicXML import, PS / PDF / SVG / PNG / Lilypond / MIDI export. Scores can be played through the ALSA sequencer.

transmission-remote-gtk is a GTK+ interface for controlling the Transmission BitTorrent daemon. It is a full featured client, providing the ability to upload, queue, and delete torrent files, monitor downloads, and adjust speed limits.

MATE system monitor allows you to graphically view and manipulate the running processes on your system. It also provides an overview of available resources such as CPU and memory.

Gromit enables you to make annotations on your screen.

A graphical tool to manipulate POSIX ACLs and extended user attributes for the GNOME environment. It integrates nicely into the Nautilus file manager but also features a standalone application.