Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
TweakVista - Microsoft has increased both the power and complexity of its popular Windows operating system with...
Cache Status - Cache Status is an easy cache status and management tool located right in your address-bar.
Winaero Tweaker - Universal tweaker software which supports Windows 7, Windows 8, and Windows 8.1.
7plus - Improving Windows, one by one
GIGATweaker - GIGATweaker is a powerfull and compact application that allows you to optimize and tweak your OS.