Plymouth provides a boot-time I/O multiplexing framework - the most obvious use for which is to provide an attractive graphical animation in place of the text messages that normally get shown during boot. (The messages are instead redirected to a logfile for later viewing.) However, in event-driven boot systems Plymouth can also usefully handle user interaction such as password prompts for encrypted file systems.

Tile World is an emulation of the game "Chip's Challenge". "Chip's Challenge" was originally written for the Atari Lynx by Chuck Sommerville, and was later ported to MS Windows by Microsoft (among other ports).

Tatan is a shooter game with simplified controls: use the mouse to aim and shoot, and the space bar to toggle your position. You have to collect the yellow stars (or shoot the white ones circumscribed in spheres) for power-ups.

The file command is "a file type guesser", a command-line tool that tells you in words what kind of data a file contains.

KColorChooser is a color palette tool, used to mix colors and create custom color palettes. Using the dropper, it can obtain the color of any pixel on the screen.

xcircuit is a generic drawing program tailored for making circuit diagrams.