luminance is described as 'A simple GTK application to control brightness of displays including external displays supporting DDC/CI' and is an app. There are more than 10 alternatives to luminance for a variety of platforms, including Windows, Linux, Mac, openSUSE and Python apps. The best luminance alternative is Twinkle Tray, which is both free and Open Source. Other great apps like luminance are DDCcontrol, Dimmer, BrightnessControl and ddcui.
Twinkle Tray enables brightness control on external displays in Windows 10 & 11. Even th Windows is capable of adjusting the backlight on most monitors, it doesn't support external monitors natively.
Twinkle Tray is the most popular Windows alternative to luminance.
Twinkle Tray is the most popular Open Source & free alternative to luminance.
DDCcontrol is software for controlling monitor parameters such as brightness, contrast, and RGB color levels. It includes a command-line tool and a GUI tool.
DDCcontrol is the most popular Linux alternative to luminance.
The app lets you control the brightness of all your screens (both laptop and desktop) by a single click on a tray icon. Its look goes nicely with the system icons and it supports both light and dark mode.
Form 1 Hour Software by skrommel, it can dim the screen by applying a transparent gray layer on top of your opened applications
Desktop Dimmer is the most popular Mac alternative to luminance.
Most monitors, other than laptop displays, have a Virtual Control Panel (VCP), which implements features defined in the Montor Control Command Set (MCCS). Typically, ddcutil communicates with the monitor's VCP over an I2C bus, as per the Display Data Channel/Command...
Brightness Controller allows you to software control Brightness, R, G and B of your Primary and Secondary Display in Linux.
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...
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.
Brightness Controller easily allows windows users to set the brightness level of your LCD screen (It is very useful when your screen doesn't allow settings to be remembered without having to push many buttons on your screen!).
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