PCB is an interactive printed circuit board editor for the X11 window system. PCB includes a rats nest feature, design rule checking, and can provide industry standard RS-274-X (Gerber), NC drill, and centroid data (X-Y data) output for use in the board fabrication and assembly process. PCB offers high end features such as an autorouter and trace optimizer which can tremendously reduce layout time.

KTimer is a countdown timer for running commands after a delay. The countdown can be paused or set to loop continuously.

rRootage is an arcade-style vertical shooting game, with music to match. Avoid the barrage of bullets and destroy the enemy's battle ship with your laser. rRootage has 40 levels, each playable in four different modes.

ShelXle combines an editor with syntax highlighting for the SHELXL-associated .ins (input) and .res (output) files with an interactive graphical display for visualization of a three-dimensional structure including the electron density (Fo) and difference density (Fo-Fc) maps.

This package includes the Gutenprint Print plugin for the GIMP.