XPrivacyLua - Really simple to use privacy manager for Android 6.0 Marshmallow and later (successor of XPrivacy).
island - a free and opensource alternative to parellel space
App Ops - modifies the settings of "appops" in Android system
App Cloner - Clone your Android apps so you can use multiple logins.
PilferShush Jammer - Block unwanted use of onboard microphone
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.