Wise Disk Cleaner - Clean junks of Browsers, remove junk and useless files of Windows and Defragment your disk. Wise Disk Cleaner can delete these unnecessary files on your hard disk to free up disk space and make your computer run faster.
Tech Tool Store - Tech tool store is an IT professional application which contains more than 600 free technician tools packed in a simple, fully featured interface.
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
Avast Cleanup - Next generation tuneup and cleanup for your PC
Autoruns - See what programs are configured to startup automatically when your system boots and you login.