Works great - very useful
Onyx by Titanium - This website provides operating system utilities for macOS
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
R-Wipe&Clean - R-Wipe&Clean is a complete R-Tools answer for wipe futile records and keep up your PC protection.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
CleanMyMac X - Clean, protect and speed up your Mac
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode