CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
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?
Wise Registry Cleaner - Registry Cleaner and Optimizer.
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.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Click&Clean - Click&Clean is an inventive and free of cost answer for your PC that permits you to check your PC for Malware.