Screen dimming software that allows you to control the brightness of your screens as well as external monitors.

RedshiftGUI is described as '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' and is a popular color temperature tool in the sport & health category. There are more than 25 alternatives to RedshiftGUI for a variety of platforms, including Windows, Mac, Linux, Android and Wayland apps. The best RedshiftGUI alternative is f.lux, which is free. Other great apps like RedshiftGUI are Redshift, LightBulb, Iris mini and Twilight.
Screen dimming software that allows you to control the brightness of your screens as well as external monitors.



To schedule Night Light so it turns on automatically, select Start > Settings > System > Display > Night light > Night light settings.

World's 1st instantaneous content-aware brightness control app that let your screen brightness adapt instantly and automatically to provide the most optimal viewing experience for your eyes.




CareUEyes is a very simple but useful program when it is about your eye care. The program comes with a very simple and clean interface and needs to technical knowledge. Even a novice computer user can download and use it easily.


Shifty was made to expand the capabilities of the built in Night Shift feature in macOS. You can disable Night Shift for specific apps and custom time periods. It also provides easy access to a slider to fine tune your color temperature.

FireLux is the most popular Web-based alternative to RedshiftGUI.
Trouble Sleeping? Device screen too bright even on the lowest brightness setting? Want to give your phone a warm look instead of that eye straining blue gaze you see at night? EasyEyes is the solution. By changing your device's color temperature, EasyEyes reduces eye strain...



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.


Free software for eye protection and more! It protects your eyes while you are working on the computer. Eye Saver has three main functions: blue light filter; eliminates the invisible flickering of the display backlight; reminds you to take breaks;


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 RedshiftGUI.
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.
