PerfectSpeed PC Optimizer - PerfectSpeed PC Optimizer is PC maintenance and performance booster software for the Windows operating systems.
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
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.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Pegasun System Utilities - Pegasun System Utilities is one of the best means for enhancing the performance of the PC.
Winaero Tweaker - Universal tweaker software which supports Windows 7, Windows 8, and Windows 8.1.