ShredIt X - Shredlt X is the latest and most advanced security eraser and optimization software in the market today.
Remo Duplicate File Remover - Remo Duplicate File Remover is a simple yet powerful duplicate file remover app that lets you easily search and remove duplicate files on your Android mobile and tablet.
Cokesoft Disk Cleaner - Cokesoft Disk Cleaner is a hard drive cleaning app that can help you to free up the disk space of your computer.
CleanMyMac X - Clean, protect and speed up your Mac
WinExt Free - Powerful Win utilities: fix registry issues, clean system junk, protect privacy, optimize system, find duplicates, show larger resources, see more info of recently accessed resources, monitor activity, make batch operations, synchronize resources.
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.