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.
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
SKTools - SKTools is a multi-featured and easy-to-use application that is bundled with over 60 tools to help you boost the performance of the system.
Avast Cleanup - Next generation tuneup and cleanup for your PC
NETGATE Registry Cleaner - NETGATE Registry Cleaner cleans and defragment your registry.