***ROOT or ADB REQUIRED*** If you don't know what root/adb is please search with Google.

AppOpsX is a front-end application for the Android AppOpsService. It allows you to restrict app permissions.

Features
Search Applications
Group apps by permissions
Import/Export backup file
Automatically turn off permissions
Multi-user support
And more...

AppOpsX is open source software you can find the source here: https://github.com/8enet/AppOpsX