Greenify - Greenify is a mobile app that gives you greater control over your Android device's power usage, allowing you to get a lot more mileage out of your battery life without having to constantly plug it back into a charger.
Accubattery - Monitor's battery capacity through the use of science
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
DU Battery Saver - DU Battery Saver, get up to 50% more battery life for your Android phone. Battery Saver learns how you use your phone, then creates smart profiles that match your settings to your needs while getting more life from your battery.
Auslogics BoostSpeed - Is your internet or computer running slow? Auslogics BoostSpeed can help! This award-winning PC optimizer runs disk cleanup, defragments disks & registry, speeds up internet, and keeps your PC glitch-free. Don't let a sluggish computer hold you back.
JuiceDefender - Über 5.