Hirens BootCD - Hirens BootCD is a powerful, all-in-one boot disk utility that will help you resolve and make reformatting your computer easily.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Ultimate Boot CD - The last Boot CD you'll ever need. You need the Ultimate Boot CD if you want to:
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
AOMEI PE Builder - Free tool to create bootable USB drive, CD/DVD or ISO file based on Windows PE.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode