WinTweaks - Windows Tweaking utility that can improve your Windows performance and security with a simple mouse click by tweaking Windows services in an automatic and very safe way.
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
System Mechanic - System Mechanic uses patented technology to help fix PC errors and restore speed. The software is compatible with multiple versions of Microsoft Windows.
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
Uniblue SystemTweaker - SystemTweaker is a safe and easy to use tool that lets you customize Windows to your taste.