This is the GNU C compiler, a fairly portable optimizing compiler for C.

xdiskusage is a user-friendly program to show you what is using up all your disk space. It is based on the design of the "xdu" program written by Phillip C. Dykstra. Changes have been made so it runs "du" for you, and can display the free space left on the disk, and produce a PostScript version of the display.

This package provides various utility programs for a Security-enhanced Linux system. Security-enhanced Linux is a patch of the Linux kernel and a number of utilities with enhanced security functionality designed to add mandatory access controls to Linux. This package provides utility programs to get and set process and file security contexts and to obtain security policy decisions.

EbookLib is a Python library for managing EPUB2/EPUB3 and Kindle files. It's capable of reading and writing EPUB files programmatically (Kindle support is under development).

geg is a very simple utility for parsing and plotting 2D-functions, eg f(x) = 3 + sin(x), and much more complicated functions of course. It is written with GTK+ and provides a neat, configurable user interface.

SWF Tools is a collection of SWF (Flash) manipulation and creation utilities.