BatteryBar - Track battery life with BatteryBar and BatteryBar Pro for Windows. Statistical calculations on past usage give BatteryBar increased accuracy.
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)
Accubattery - Monitor's battery capacity through the use of science
HakuNeko - HakuNeko is an all-in-one cross-platform utility that supports you to download manga and anime with various website support.
GSam Battery Monitor - Monitor your android devices battery usage.
BatteryMon - BatteryMon is a battery monitoring software solution.