Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
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.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Dual Space - It is a first application that is compatible with WhatsApp completely.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
App Cloner - Clone your Android apps so you can use multiple logins.