Matroska is a new multimedia container format, based on EBML (Extensible Binary Meta Language), which is a kind of binary XML.

Denemo is a free music notation program GUI for GNU/Linux, macOS and Windows that lets you rapidly enter notation which it typesets using the LilyPond music engraver. Music can be typed in at the PC keyboard, or played in via MIDI controller, or input acoustically into a microphone plugged into your computer’s soundcard.

This is a GNOME port of the popular “Snake” game.

Adanaxis is a fast-moving first person shooter set in deep space, where the fundamentals of space itself are changed. By adding another dimension to space this game provides an environment with movement in four directions and six planes of rotation. Initially the game explains the 4D control system via a graphical sequence, before moving on to 30 levels of gameplay with numerous enemy, ally, weapon and mission types. Features include simulated 4D texturing, mouse and joystick control, and original music. Screenshots, movies and further information are available at http://www.mushware.com/.

This is an application finder for the Xfce4 desktop environment. It will search for installed applications on your system. It can also be used to browse installed applications by category, run them or edit their launchers.

Yoshimi is a software synthesizer for GNU/Linux, based on ZynAddSubFX 2.4.0.