Regionset is a small utility which displays and sets the region/zone setting of a DVD drive, allowing it to decrypt the DVD's sold in this geographical zone. Hardware vendors often limit the number of such modifications, but it is necessary to set it at least once with a brand new drive.

SUMO is an open source, highly portable, microscopic road traffic simulation package designed to handle large road networks. Main binary.

XSel is a command-line program for getting and setting the contents of the X selection. It can also append and have it follow a growing file (similar to tail -f).

This package provides a graphical program for learning Japanese characters, which also doubles as a dictionary lookup program. It requires a dictionary package, such as kanjidic (for learning kanji) or kanadic (for learning hiragana or katakana), although you can specify a custom dictionary file on the command line.

MathJax was designed with the goal of consolidating the recent advances in web technologies into a single, definitive, math-on-the-web platform supporting the major browsers and operating systems.