Nikatime - A Slackbot that keeps track of what your team is doing so you don't have to.
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.
Quantive - The best platform for turning strategy into results.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
do-Organizer - do-Organizer includes useful tools to improve your experience and qualify you as an achiever.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.