Process Explorer by Sysinternals
Process Explorer is developed by Sysinternals.com which provides a number of free and useful utilities for gathering information under Windows. Process Explorer can be used as it is or as a direct replacement for the Windows Task Manager, providing a host of useful information about running processes.
WinToFlash: Copy installation discs to a USB drive
WinToFlash is used to pull over the contents of a windows installation CD or DVD and prep the USB drive to become a bootable replacement for the optical drive. No more worries about scratches on the disc or misplacing your original media discs once their contents are transferred to the flash drive. Very handy for netbooks and other systems which might not have an optical drive.