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)

Clean Temporary Places - Clean Temporary Places is a cleaning tool that lets you clean temporary files to free up some space on the disk and get rid of disk error, disk defragmentation, etc.

Accubattery - Monitor's battery capacity through the use of science

Sweeper - KDE is an open community of friendly people who want to create a world in which everyone has control over their digital life and enjoys freedom and privacy.

GSam Battery Monitor - Monitor your android devices battery usage.

OS Cleaner - Clean your Operating System from all the garbage wasting space that slows the performance of your...