stretchly is cross-platform open source app that reminds you to take breaks when working with computer.
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.
Break timer with micro-breaks for Mac OS X. It is very easy to fall into bad habits when using a computer for hours on end. You care about what you are doing, so can sometimes push yourself too far, or over-strain yourself. The human body isn't built to sit in one position fo.
Save yourself from RSI and eye-strain BreakTimer allows you to set up customizable breaks and will remind you to take them. BreakTimer is free and open source and available for Windows, macOS and Linux.
It’s an utility that helps avoiding eyes-related problems when working at a computer for several hours. Concentrating your eyesight on a computer screen can cause an eye strain. You can prevent this by taking regular breaks during the work and look at distant objects.
Iris is software which makes monitors healthy for the eyes. With iris you can reduce the blue light emitted from your screen for better sleep, reduce the brightness of your screen without PWM and avoid eye pain.
EyeDefender is a freeware rest reminder designed to prevent Computer Vision Syndrome (CVS) resulting from working on a computer for hours. CVS symptoms include eyestrain, blurred vision, delayed focusing, headaches, back and neck aches, dry and burning eyes, light sensitivity...Discontinued
The official website is no longer available. Last version, 1.09, released in 2008, can be still downloaded from Wayback Machine.
Big Stretch is a free simple reminder tool that prompts a user to take regular breaks and helps prevent the symptoms of RSI. Alternatively it can be a simple reminder program to tell you when it’s your coffee break!