Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.




Refractify is described as 'Worlds first Myopic Defocus effect. Applies a Myopic Defocus effect on any website. This makes the screen look on the retina naturally as if it was at a greater distance. People report it being more convenient to look at' and is an app. There are more than 10 alternatives to Refractify for a variety of platforms, including Windows, Linux, Wayland, Mac and Google Chrome apps. The best Refractify alternative is f.lux, which is free. Other great apps like Refractify are Redshift, LightBulb, Red Moon and Midnight Lizard.
Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.




Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.

Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.


The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.




Midnight Lizard web-extension for Google Chrome™ and Mozilla Firefox™ provides custom color schemes for all websites.




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.



The app filters the blue spectrum on your phone or tablet after sunset and protects your eyes with a red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times.



Enjoy free cross-platform blue light reduction and PWM flicker-free brightness control with Iris mini. Minimalistic design, portable, and automatic for no-hassle, eyestrain-relief across all devices. Simply double-click to activate, perfect for every lighting condition.



Whether you're a morning lark or night owl, SunsetScreen allows you to set the time of the sunset and sunrise, so you can have full control over your sleep cycle.



It makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.

Adjust the color temperature of your screen according to your surroundings. This may help your eyes hurt less if you are working in front of the screen at night.