dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Duplicate Cleaner - Duplicate Cleaner: the fastest and most popular tool for finding duplicate files. Over 1 million downloads: Get your copy now! Free and Pro versions available.
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.
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
CleanMyPC - A smart cleaning tool for a better-running computer.