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 described as 'Windows desktop tool to adjust the brightness of multiple monitors with ease' and is a Screen Dimmer in the system & hardware category. There are more than 25 alternatives to Monitorian for a variety of platforms, including Windows, Mac, Linux, openSUSE and Python apps. The best Monitorian alternative is Twinkle Tray, which is both free and Open Source. Other great apps like Monitorian are Solace, MonitorControl, Dimmer and winddcutil.
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.

Automatically changes Mac appearance using real-time weather, sunlight, and time data for light and dark modes, dynamic wallpapers, and color temperature, with on-device privacy, menu bar access, no subscriptions, and no analytics for seamless daily comfort.










Windows implementation of the ddcutil Linux program for querying and changing monitor settings, such as brightness and color levels.
Screen dimming software that allows you to control the brightness of your screens as well as external monitors.

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




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




Vivid is a software that enables users to amplify the brightness of their MacBook Pro and Pro Display XDR, system-wide, utilizing standard Apple APIs.


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.