Timewarrior is described as 'Command line time tracking application, which allows you to record time spent on activities. You may be tracking your time for curiosity, or because your work requires it. At its simplest, you tell it to start and stop tracking time' and is a Time Tracking tool in the office & productivity category. There are more than 25 alternatives to Timewarrior for a variety of platforms, including Mac, Web-based, Windows, iPhone and Linux apps. The best Timewarrior alternative is Toggl Track, which is free. Other great apps like Timewarrior are RescueTime, Cattr, Chronoid and Project Hamster.