Works great - very useful
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Onyx by Titanium - This website provides operating system utilities for macOS
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
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.