WittyCat - Synchronize and prioritize your team's tasks day after day
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.
Taskade - Make lists, organize your thoughts, and be inspired to get things done. Taskade is a collaborative space for your tasks.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Azendoo Time-Tracking - Time-tracking AND team task collaboration all in one place ⏱
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.