Chronus Widget - Chronus: Home & Lock Widget is a flexible, stylish widget application that offers hundreds of widgets for your home and lock screen.
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)
DashClock Widget - DashClock Widget is one of the best Widget application that offers tons of clock and weather widgets to make your screen stunning and interesting.
Accubattery - Monitor's battery capacity through the use of science
Ventusky - Real-time weather mapping
GSam Battery Monitor - Monitor your android devices battery usage.