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, Wayland and Android apps. The best CF.lumen alternative is f.lux, which is free. Other great apps like CF.lumen are Redshift, Solace, LightBulb and Red Moon.
This advanced Windows app allows you to alter the screen shading according to the time of day, which is great if you work outside the normal hours, or if you need a lift in the afternoon. You can set the colour tints and your awake and sleep times.
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.
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.
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.
SunshinePal is your daily sunlight companion designed to help you track your exposure, set healthy goals, and reconnect with nature for better sleep and mood.
A Python program that calculates ambient brightness and sets screen's correct backlight using a camera.
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.
Away From Keyboard is an app that reduces eye strain with reminders to take a break.
EyeAway is a beautiful, privacy-first macOS app that helps reduce digital eye strain using the proven 20-20-20 rule. Every 20 minutes, look 20 feet away for 20 seconds - your eyes will thank you.
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