System Utilities Apps

Auslogics Disk Defrag
Auslogics Disk Defrag is a free program to defragment your slow hard drives

Revo Uninstaller
Revo Uninstaller is an advanced uninstaller that can remove all traces of installed apps

System Explorer
Shows detailed information about processes, startups, explorer, IE addons, uninstallers, services, drivers, connections, and opened files