SmartBreak alternatives

SmartBreak is an ergonomics program that reminds and enforces you to take breaks when working on a PC for long hours. Unlike similar programs which remind you to take breaks at fixed intervals, SmartBreak actually monitors the way you spend time on a PC and then prompts you to rest at the appropriate time. This effectively means that you can spend more time in front of a PC with very efficient break time utilization. Spending a great deal of time on a computer poses many health hazards.
SmartBreak alternatives are:
Workrave, EyeDefender, Eyes Relax
 (to insert a quote, select the text and click #)