Granola

PROGRAM DISCONTINUED (see project's home page) Download Granola and help save the world. Granola is free software that can reduce the energy consumption of your PC or laptop up to 35%.

Free Personal Windows Linux

RMClock

RightMark CPU Clock Utility (RMClock) is a small GUI application designed for real-time CPU frequency, throttling and load level monitoring and on-the-fly adjustment of...

Freemium Windows

PowerTOP

PowerTOP is a Linux tool to diagnose issues with power consumption and power management.

Free Open Source Linux

Jupiter Applet

Jupiter is a light weight power and hardware control applet for Linux. It is designed to improve battery life of a portable Linux computer by integrating with the...

Free Open Source Linux

Laptop Mode Tools

Laptop Mode Tools is a package of userspace scripts for Linux kernel "laptop mode".

Free Open Source Linux

cbatticon

cbatticon is a lightweight GTK+ system tray application which tells you the state of your battery. If your battery reaches a certain point, it will pop up a message...

Free Open Source Linux

Processor Hardware Control for Linux

Processor Hardware Control is a project to allow CPU voltage/frequency changing from userspace. Some hints - for Ubuntu and Gentoo users:...

Free Open Source Linux

upower

UPower is an abstraction for enumerating power devices, listening to device events and querying history and statistics. Any application or service on the system can...

Free Open Source Linux

Boray POWer

Boray POWer is a reliable tool that allows you to adjust your PC power plans automatically depending on your computer’s activity. With the aid of a slide bar, one is...

Free Windows

CPUMSR

CPUMSR controls frequency, voltage and multiplier settings of supported CPUs.

Free Windows

SmartPower

Save energy and money by hibernating and resuming your computer according to configurable rules.

Free Personal Windows

Verdiem

Verdiem delivers enterprise-class IT energy management & efficiency solutions for PCs, Macs, and Cisco EnergyWise devices – providing greater energy savings and IT...

Commercial Mac OS X Windows

PowerPlug

PowerPlug offers PC Power Management solutions for organizations, enabling savings of up to 60% on PC network energy bills without interrupting end-user productivity or...

Commercial Windows