island - a free and opensource alternative to parellel space
XPrivacy - The ultimate, yet easy to use, privacy manager (Xposed module).
App Cloner - Clone your Android apps so you can use multiple logins.
App Ops - modifies the settings of "appops" in Android system
Parallel Space - Parallel Space – Multiple accounts and Two-Face is free to use mobile app that helps you clone or run multiple accounts of the same app simultaneously, and use themes to style your unique space.
PilferShush Jammer - Block unwanted use of onboard microphone