Workrave is a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI). The program frequently alerts you to take micro-pauses, rest breaks and restricts you to your daily limit.
Workrave, a fully configurable, free, downloadable application, allows you to establish rest intervals. Schedule breaks, stretches, walks, and other ergonomically healthy alternatives to eight hours of fixed, obsessive, non-stop computer work.