power-profiles-daemon - Makes power profiles handling available over D-Bus
PowerTOP - PowerTOP is a Linux tool to diagnose issues with power consumption and power management.
Auto-CPUFreq - An automatic CPU speed & power optimizer for Linux.
upower - UPower is an abstraction for enumerating power devices, listening to device events and querying...
RMClock - RightMark CPU Clock Utility (RMClock) is a small GUI application designed for real-time CPU...
HeavyLoad - The individual test methods employed by HeavyLoad can be customized to fit your needs.