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

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.

Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC

DiskBoss - A file manager with a focus on storage side of things: Monitoring, classing, storage, duplicate...

SD Maid - SD Maid is the perfect way to keep your mobile device in optimal shape by cleansing it of all the old data that clutters up the works. Inside the app, you'll find a number of advanced tools that will help you keep track of your files and apps.

DiskWave - DiskWave is a free utility to help you determine where most of your hard drive space is consumed.