A Python program that calculates ambient brightness and sets screen's correct backlight using a camera.

Redshift is described as 'Adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime' and is a very popular color temperature tool in the os & utilities category. There are more than 50 alternatives to Redshift for a variety of platforms, including Windows, Linux, Mac, Android and Wayland apps. The best Redshift alternative is f.lux, which is free. Other great apps like Redshift are RedshiftGUI, LightBulb, Red Moon and Midnight Lizard.
A Python program that calculates ambient brightness and sets screen's correct backlight using a camera.





Synchronize your external monitor brightness with built-in display. Application reads current brightness of your built-in display and passes it to external monitors via DDC interface. You can adjust brightness by menu in system status bar.
Form 1 Hour Software by skrommel, it can dim the screen by applying a transparent gray layer on top of your opened applications

Lumen - magic auto brightness based on screen contents. You control Lumen simply by using your brightness keys - it'll automatically learn your preferences.

NightTone makes your screen more comfortable, enjoyable and healthier by shifting the colors of your display to a warmer, eye-friendly palette. It makes you sleep and feel better.


Nocturne is simple app for switching a computer to night vision mode. It has a few tricks up its sleeve: color correction, window shadow toggling, and background removal.

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.



SunshinePal is the most popular iPhone alternative to Redshift.
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.



