Iris!

Ever notice how people texting at night have that eerie blue glow?

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. Please refer to the feature comparison for a complete list of features, and how the program performs with respect to other programs on the market. The program runs on GNU/Linux and Microsoft Windows.

RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding. This means that it sets a cooler color temperature during the daytime (due to natural lighting) and sets a warmer temperature at night (due to indoor lighting). Similar to f.lux, this is a GUI port of the redshift project.

LightBulb - Background application that adjusts screen gamma as the day goes, reducing blue light when it gets late

Red Moon is a screen filter app for night time phone use. When thelowest brightness setting of your phone won't do the trick, Red Moonmakes your screen even darker. With Red Moon, using your phone in thedark won't hurt your eyes and thanks to it's red filter feature, youwill have a healthier sleep.

SunsetScreen is a free Windows app (for personal use) which helps take the glare off your your screen in the evening. Scientific research has shown that melatonin - the chemical the brain makes late in the day - is reduced when exposed to blue light. By tempering this blue light, it becomes easier to wind down properly at night, and thus have a more restful sleep.

stretchly is cross-platform open source app that reminds you to take breaks when working with computer.

G.lux is an unofficial variation of F.lux. G.lux is an app that automatically changes the colour temperature of your browser as the sun goes down. Monitors are typically daylight balanced, which can interfere with your sleep cycle when using them after sunset. The human brain wants to be ‘awake’ when it sees daylight, so the idea here is that we can change the screen colour temperature at night to a “tungsten” or orange-balanced colour.

Screen dimming software that allows you to control the brightness of your screens as well as external monitors.

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 for endless hours, gripping a mouse or typing on the keyboard. Dejal Time Out is here to help. It will gently remind you to take a break on a regular basis.

EyeLeo is a handy PC application that reminds you to take a break for your eyes.

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.