Clean Master - Some users swear by it, some call it a glorified snake oil that does more harm than good. That can be said about any snake oil, but what specific brand of snake oil can boast almost a billion downloads around the world?
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.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Tweaking - Tweaking is an all-in-one repair tool, helping you to fix large Windows problems such as registry errors, file permissions, as well as other issues with Internet Explorer, Windows Update, Windows Firewall, and many more.
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.
WinTweaks - Windows Tweaking utility that can improve your Windows performance and security with a simple mouse click by tweaking Windows services in an automatic and very safe way.