Time Out is described as 'Break timer with micro-breaks for Mac OS X.
It is very easy to fall into bad habits when using a computer for hours on end. You care about what you are doing, so can sometimes push yourself too far, or over-strain yourself. The human body isn't built to sit in one position fo' and is a Prevent RSI app in the sport & health category. There are more than 100 alternatives to Time Out for a variety of platforms, including Mac, Windows, Web-based, Linux and iPhone apps. The best Time Out alternative is Super Productivity, which is both free and Open Source. Other great apps like Time Out are Stretchly, Workrave, Toggl Track and Pomodorolm.