A calculator to figure out how many watts you need to power your computer.
JScreenFix is a program used to fix dead screen pixels.
UDPixel is a program for fixing dead pixels on an LCD screen. It uses a rapid color changing technique to try to unstick pixels.
Synergy lets you use one mouse and one keyboard to control multiple computers with different operating systems, as long as each one has a monitor.
Fusion Wake On Lan is a program that allows you to remotely turn on a computer on your network that has Wake On Lan enabled.
SpeedFan is used to monitor and control the fan speeds on your computer, based on the internal temperatures.
Memtest86+ is a program used for testing the memory (RAM) on your computer.
Parted Magic is mainly a live partition editor, but it contains other tools as well.
DBAN stands for Darik's Boot and Nuke. It is a simple bootable program used to completely erase a hard drive using military-grade algorithms.
Crucial sells computer memory (RAM), but it also has a great free tool which will scan your computer to determine what type and model of memory you have, as well as how many free slots are on your motherboard.