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.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
SuperFreezZ - An Android app to completely stop all background activities of other apps.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
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.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.