A game like "Deflektor" (C 64) or "Mindbender" (Amiga). The goal is to work out how to get around obstacles to shoot energy containers with your beam, enabling the path to the next level to be opened. Included are many levels known from the games "Deflektor" and "Mindbender".

brightnessctl is a small utility to control the brightness of a screen's backlight.

gmchess enables you to play Chinese chess (Xiangqi) against a human opponent or the computer, read many chess manuals and improve your skills.

Unlike most presentation formats, a Sozi document is not organized as a slideshow, but rather as a poster where the content of your presentation can be freely laid out. Playing such a presentation consists in a series of translations, zooms and rotations that focus on the elements you want to show.

CLIPS is an OPS-like forward chaining production system written in ANSI C by NASA. The CLIPS inference engine includes truth maintenance, dynamic rule addition, and customizable conflict resolution strategies.