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.

Lunar is described as 'Intelligent adaptive brightness for your external display' and is an app in the system & hardware category. There are more than 10 alternatives to Lunar for a variety of platforms, including Mac, Windows, Linux, openSUSE and Python apps. The best Lunar alternative is Twinkle Tray, which is both free and Open Source. Other great apps like Lunar are MonitorControl, Monitorian, Brightintosh and ddcutil.
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.





Monitorian is a Windows desktop tool to adjust the brightness of multiple monitors with ease.

BrightIntosh is lightweight, works system-wide, has optional launch-at-login functionality and includes a global hotkey to toggle the extra brightness.



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...
DisplayBuddy lets you control external displays connected to your Mac right from your menu bar! No need to touch your clunky monitor buttons!




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.
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.


Unlock your displays on your Mac! Smooth scaling, HiDPI unlock, XDR/HDR extra brightness upscale, DDC, brightness and dimming, virtual screens, PIP and lots more!.


Simple Screen Brightness is a small portable application written in C# that allows you to adjust the brightness for all of your connected monitors using a slider without having to use their difficult-to-use built-in menu systems.
