Works great - very useful
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Hirens BootCD - Hirens BootCD is a powerful, all-in-one boot disk utility that will help you resolve and make reformatting your computer easily.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
UBCD4Win - "UBCD4Win is a bootable recovery CD that contains software used for repairing, restoring, or...
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
Ultimate Boot CD - The last Boot CD you'll ever need. You need the Ultimate Boot CD if you want to: