Time 2 - Stay focused and crush procrastination
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.
Progress Bar OSX - This is your life and it's ending ⏳ one minute at a time
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Gone - An ephemeral to-do list
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.