If you are many hours opposite a computer while you work, you shhoould take care of your health.
You may have problems with your back and ees specially if you don't sit in a good position or if you don't have rests each certain time.
Workrave will help you do that. It's like a health alarm. You set the time intervals to hacve a rest or to check your position a a window will appear on screen to remember you to do something.
It even offers you time and models to do some exercise to relax yourself.
