Works great - very useful
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
CleanMyMac X - Clean, protect and speed up your Mac
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
MacKeeper - The new MacKeeper app delivers multilayered protection from malware, online threats, and identity theft & Mac performance optimization. Learn what is MacKeeper.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
MacCleaner Pro - MacCleaner Pro is a bundle of 6 apps to clean up disk space and speed up Mac.