SunsetScreen is described as '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' and is a color temperature tool in the system & hardware category. There are more than 50 alternatives to SunsetScreen for a variety of platforms, including Windows, Mac, Linux, Android and Wayland apps. The best SunsetScreen alternative is f.lux, which is free. Other great apps like SunsetScreen are Redshift, LightBulb, Red Moon and RedshiftGUI.
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.
Kumux is a dynamic circadian color scheme for code editors and other software. It adjust color temperature, color hues, contrast and brightness levels throughout the day based on the position of the sun.
Kumux is the most popular SaaS alternative to SunsetScreen.
EasyEyes by Autosofted is an app that can do what f.lux does and more. F.lux only allows the user to adjust temperature, while EasyEyes allows both temperature AND brightness adjustment. EasyEyes allows the user to create multiple transition times.
Night Screen is created for those people who spend a lot of time at night working.
Limit your exposure to energy-efficient lighting before bed. In addition to the LED screens in your electronics, energy-efficient lighting emits a lot of blue light.
Setting the color temp of the screen really only requires about 40 lines of C (80 or so all inclusive). sct is a crude utility which does roughly that. I’d say exactly that, but some of the calculations aren’t actually exact.
Lumen - magic auto brightness based on screen contents. You control Lumen simply by using your brightness keys - it'll automatically learn your preferences.
Screen Shader is a chrome extension designed to tint the screen a “cozy” orange color to reduce eye strain, eye fatigue, and restore day/night balance, while also providing a wide variety of settings for everyone's different tastes!.
Shady puts a shade over your screen to help soothe your tired or dazzled eyes. You can use it to reduce your Mac's brightness far below the usual minimum, without any risk of damage to your screen.
Small GTK GUI application to set contrast, brightness and gamma for wayland compositors which support the wlr-gamma-control protocol extension. Basically this is the example from here: https://github.com/swaywm/wlroots/blob/master/examples/gamma-control.
FireLux is the most popular Web-based alternative to SunsetScreen.
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