Works great - very useful
TinkerTool - Tinker with the hidden settings of your Mac
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Dockey - Make your macOS Dock faster
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
MacPilot - Unlock over 1200 features in Mac OS X and optimize your system!
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode