Ashampoo WinOptimizer is a system tweaking utility.

Glary Utilities is a comprehensive system cleaner and performance booster.

Wise Disk Cleaner helps you claw back misused space on your hard drive by easily removing all sorts of redundant junk files, quickly.

Click&Clean is a free, fast and easy-to-use extension for Chrome that can be used as a powerful private data Cleaner.

Toolwiz Care is a free toolkit designed to speed up slow PC.

CCleaner is one of the most popular windows disk and registry cleaning utility. It scans the system for unwanted file and folders and removes it with a single…

AVG TuneUp is a free Windows utility designed to clean up junk files on your PC and possibly increase system performance.

Clean Master (Cleaner) is an app that will keep your Android device always tidy and performing well.

PrivaZer automatically recognizes your storage device type and adapts its overwriting algorithms to the storage medium.

Stellar SpeedUp Mac is a set of utilities to deliver high-end performance on Mac OS X.