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.
App Cloner - Clone your Android apps so you can use multiple logins.
Shelter - Isolate your Big Brother Apps
island - a free and opensource alternative to parellel space
Super Clone - Super Clone – Unlimited Multiple Accounts for Parallel Space, enjoy it with multiple games, WhatsApp and Facebook accounts.
Multiple Accounts - Multiple Accounts: Parallel App is a free to use mobile app that helps you to run multiple accounts of the same application at the same time over a single phone.