PowerTOP - PowerTOP is a Linux tool to diagnose issues with power consumption and power management.
Autoruns - See what programs are configured to startup automatically when your system boots and you login.
RMClock - RightMark CPU Clock Utility (RMClock) is a small GUI application designed for real-time CPU...
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
upower - UPower is an abstraction for enumerating power devices, listening to device events and querying...
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.