Brightness Controller allows you to software control Brightness, R, G and B of your Primary and Secondary Display in Linux.


Desktop Dimmer is described as 'Enable darker-than-dark dimming for internal and external screens' and is a Screen Dimmer in the system & hardware category. There are more than 50 alternatives to Desktop Dimmer for a variety of platforms, including Windows, Linux, Mac, Android and Wayland apps. The best Desktop Dimmer alternative is f.lux, which is free. Other great apps like Desktop Dimmer are Redshift, LightBulb, Red Moon and RedshiftGUI.
Brightness Controller allows you to software control Brightness, R, G and B of your Primary and Secondary Display in Linux.


NegativeScreen is a Windows application allowing you to invert your screen colors.

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.


Inspired by Redshift, Blueshift adjusts the colour temperature of your monitor according to brightness outside to reduce eye strain and make it easier to fall asleep when going to bed.
FireLux is the most popular Web-based alternative to Desktop Dimmer.
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...



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!.




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.

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.
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.

iBrightness Tray is a little bit of a swiss army knife display tool as adjusting the brightness of your screen is just one of three main functions it has. The other two are turning on your screensaver at the click of a button and also the ability to turn off the display...
