ThrottleStop - ThrottleStop is a lightweight application that was designed primarily for people who use their computers plugged into the wall and do not use the battery.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
WinTools.net - Is a suite of tools for increasing MS Windows operating system performance. WinTools.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
xScan - xScan is an application for viewing the behavior of your computer and Mac.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode