SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.

CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.

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.

AppCleaner - AppCleaner is a small application which allows you to thoroughly uninstall unwanted apps. Installing an application distributes many files throughout your System using space of your Hard Drive unnecessarily.

Windows Disk Cleanup - Disk Cleanup is a computer maintenance utility included in Microsoft Windows designed to free up...

CleanMyMac X - Clean, protect and speed up your Mac