projectM is an iterative music visualization library which uses OpenGL for hardware acceleration. It is compatible with Milkdrop presets.

Kwave is a sound editor designed for the KDE Desktop Environment.

HIME Input Method Editor is a input method platform, which is forked from the famous gcin input method.

The GNOME Chemistry Utils provide C++ classes and Gtk+-2 widgets related to chemistry. They will be used in future versions of both gcrystal and gchempaint.

HyperRogue is a game in which the player collects treasures and fights monsters -- rogue-like but for the fact that it is played on the hyperbolic plane and not in euclidean space.

Cowbell is an elegant music organizer intended to make keeping your collection tidy both fun and easy. It allows viewing and editing of the tags, guessing of tag information with the help of Amazon Web Services and has an easy-to-use interface.