DeskRest is described as 'Customizable macOS app for work break reminders, posture alerts, eye strain reduction, progress tracking, and ergonomic wellness support during long sessions' and is a Prevent RSI app in the office & productivity category. There are more than 50 alternatives to DeskRest for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best DeskRest alternative is Stretchly, which is both free and Open Source. Other great apps like DeskRest are Workrave, Loook, ZenBreak and BreakTimer.