A module for writing portable GUI applications with Python 3.x using Tk. Also known as Tkinter.

Valgrind is a system for debugging and profiling Linux programs. With its tool suite you can automatically detect many memory management and threading bugs, avoiding hours of frustrating bug-hunting and making your programs more stable. You can also perform detailed profiling to help speed up your programs and use Valgrind to build new tools.

Iperf is a modern alternative for measuring TCP and UDP bandwidth performance, allowing the tuning of various parameters and characteristics.

MComix is an user-friendly, customizable image viewer. It is specifically designed to handle comic books, but also serves as a generic viewer. It reads images in ZIP, RAR, 7Zip or tar archives as well as plain image files. It is written in Python and uses GTK+ through the PyGTK bindings, and runs on both Linux and Windows.

GRUB is a portable, powerful bootloader. This version of GRUB is based on a cleaner design than its predecessors, and provides the following new features:

The ping command sends ICMP ECHO_REQUEST packets to a host in order to test if the host is reachable via the network.