CF.lumen is described as '- don't let your phone blind you! CF.lumen changes the colors of your Android device's display based on the position of the sun. With the default settings, your display will get a warmer tint (lower color temperature) when the sun is down, to look more like indoo' and is a color temperature tool in the system & hardware category. There are more than 25 alternatives to CF.lumen for a variety of platforms, including Windows, Linux, Mac, Android and Wayland apps. The best CF.lumen alternative is f.lux, which is free. Other great apps like CF.lumen are Redshift, LightBulb, Red Moon and Twilight.
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.
f.lux is the most popular Windows, Mac & Linux alternative to CF.lumen.
f.lux is the most popular free alternative to CF.lumen.
Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.
Redshift is the most popular Open Source alternative to CF.lumen.
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.
Red Moon is the most popular Android alternative to CF.lumen.
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.
SunsetScreen is the most popular commercial alternative to CF.lumen.
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.
Day/night gamma adjustments for Wayland compositors supporting wlr-gamma-control
World's 1st instantaneous content-aware brightness control app that let your screen’s brightness and color temperature adapt instantly and automatically to provide the most optimal viewing experience for your eyes.
Velis Auto Brightness is a pretty powerfully adjustable auto-brightness app for your android device.
Velis Auto Brightness is the most popular Android Tablet alternative to CF.lumen.
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Easy to use from the command line