SequoiaView - SequoiaView is a featured rich application that comes with the visualization technique to provide you a single view of files and documents that are stored in your hard drive.
CleanMyMac X - Clean, protect and speed up your Mac
DiskBoss - A file manager with a focus on storage side of things: Monitoring, classing, storage, duplicate...
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
DiskWave - DiskWave is a free utility to help you determine where most of your hard drive space is consumed.
Outbyte - Outbyte is a cmprehenmsive computer repair tool that is built to address a range of various system issues like clean up your drive, optimize performance and enhance privacy or security.