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.

Send balls through an invisible grid of mirrors (and other interesting widgets) and observe where they end up. Then, try to recreate the same grid from the results you just obtained.

Cubeview is a viewer for 3D data store in FITS files, a file format extensively used among astronomers. It is specialized in displaying spectro-imaging data but can be used to do basic visualization on any FITS file containing a 3D array.

supports both seamless applications (via Xpra, NX and ssh) and full remote desktops (via NX, VNC, RDP). Once a session has been started via winswitch, it can be displayed on any other networked machine running the winswitch client.