coconutBattery - With coconutBattery you are always aware of your current battery health. It shows you live information about the battery in your Mac and iOS devices (iPhone, iPad)
Battery Mode - Replaces Windows default battery indicator to a more powerful and useful one.
Accubattery - Monitor's battery capacity through the use of science
GSam Battery Monitor - Monitor your android devices battery usage.
Power Plan Assistant - Power Plan Assistant is a power management tool, for Microsoft Windows 7 / 8 and ...
BatteryMon - BatteryMon is a battery monitoring software solution.