power-profiles-daemon - Makes power profiles handling available over D-Bus
cpulimit - CPU Usage Limiter for Linux - cpulimit is a simple program which attempts to limit the cpu usage of...
Cpukiller - CPUKILLER is a software capable of slowing down your computer up to 99% permitting you to run old...
htop - htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.
Zzz - Zzz is a custom power management utility for Windows that is designed to eclipse built-in power management systems.
Process Lasso - Process Lasso is NOT yet another task manager.