Time Sink is described as 'Helps you track how you spend your time on your Mac. It automatically logs opened windows and applications, and keeps track of how long you've spent using things in total (i.e. running), and in the foreground (i.e. actively using)' and is a Time Tracking tool in the office & productivity category. There are more than 50 alternatives to Time Sink for a variety of platforms, including Android, Mac, Windows, iPhone and Web-based apps. The best Time Sink alternative is Mindful : Focus & Screen Time, which is both free and Open Source. Other great apps like Time Sink are Toggl Track, DigiPaws, RescueTime and Reef Wellbeing.