Using Brightness Controller, you can control brightness of both primary and external displays in Linux. Check it out!
this app puts a Monitor Brightness icon on Taskbar Tray. for win 7, 8, 10, 11
BrightnessMenulet is an Mac OS X app that allows you to control display brightness via DDC/CI protocol
Command-line display brightness control for macOS.
Easily manage the brightness of your monitors in Windows from the system tray
Display your picture of choice with adjustable blur and brightness.
A program to read and control device brightness
A Windows desktop tool to adjust the brightness of multiple monitors with ease
Magic auto brightness based on screen contents 💡
Alexa voice control for ESP8266/ESP32 (including brightness and color!)
Control OLED display brightness by applying ICC color profiles.
agan X230 FHD/2K kit brightness adjustment
macOS display brightness utility for external monitors with a native UI.
Set the brightness level in Windows
This app reduces the screen brightness when flashed in CS:GO
video player. rotation, volume, brightness, rate, play, pause, stop, seekToTime, present.
MQTT RGBW Sunrise animation with brightness and color control via MQTT
一个简单的调节屏幕亮度（显示器亮度）的小工具; this is a simple tool to adjust monitor brightness