GiMeSpace Power Control - Software for extending windows desktops and other utilities for making windows easier.
Battery Mode - Replaces Windows default battery indicator to a more powerful and useful one.
Aerofoil - Aerofoil extends Vista and Windows 7 notebook battery life by:
Power Manager - Reduce the running costs of your Mac with Power Manager. Ideal for the home and small business.
BatteryCare - BatteryCare - Application and good practice guide for maintaining and optimizing the battery of the modern laptop
Accubattery - Monitor's battery capacity through the use of science