Workrave - Workrave is a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
Eyeleo - EyeLeo is a handy PC application that reminds you to take a break for your eyes.
stretchly - break time reminder app
Safe Eyes Linux - Protect your eyes from eye strain using this continuous breaks reminder.
Eye Break - eyeBreak is a tiny app designed to sit in the Windows tray and provide a non-ignorable message...
Eyes’ Thanks - Display a full-screen image on your desktop at regular intervals, reminding you to take a break, with this portable app that offers support for multi-monitor setups.