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.

Firefox Multi-account Containers - Sign in to two different accounts on the same site

App Cloner - Clone your Android apps so you can use multiple logins.

Lightbeam for Firefox - Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

2Accounts - 2Accounts is an up-to-the-mark tool that enables its global users to enjoy multiple accounts for messaging, multi-gaming, and run a double social account for work and personal life.

Multilogin - Connect to websites as a multitude of different users