SuperF4 - SuperF4 kills the foreground program when you press Ctrl+Alt+F4.
Advanced Task Killer - This tool is also known as ATK. It is a tool to kill applications running.
Windows xKill - An App that your using Freezes, and your first thought it to CTRL+ALT+DEL to bring up Task manager...
MemTest - MemTest is a RAM tester that runs under Windows.
tuPoz - Click-and-Kill. Kill & delete rogue processes in a single click.
Restart Me - ReStartMe is designed to do one thing, and that is to restart processes.