KDbg is a graphical user interface to gdb, the GNU debugger. It provides an intuitive interface for setting breakpoints, inspecting variables, stepping through code and much more. KDbg requires KDE but you can of course debug any program.

xvkbd is a virtual (graphical) keyboard program for X Window System which provides facility to enter characters onto other clients (software) by clicking on a keyboard displayed on the screen. This may be used for systems without a hardware keyboard such as kiosk terminals or handheld devices. This program also has facility to send characters specified as the command line option to another client.

Tgif (originally the "Tangram Graphic Interface Facility") is a classic drawing program for 2D vector graphics. Image objects can be hierarchically constructed out of primitives such as polygons, text, and splines (though the splines Tgif draws are not Bézier curves).

Remind allows you to remind yourself of upcoming events and appointments. Each reminder or alarm can consist of a message sent to standard output, or a program to be executed.

This is a font with symbols useful for school and office.

GNU Denemo is a GUI musical score editor written in C/GTK+. It is intended primarily as a front end to GNU Lilypond, but is adaptable to other computer-music-related purposes as well.