emoacht / Monitorian

A Windows desktop tool to adjust the brightness of multiple monitors with ease

alin23 / Lunar

Intelligent adaptive brightness for your external monitors

rockowitz / ddcutil

Control monitor settings using DDC/CI and USB

chuanjianghe1024-cmd / FluentControl

Windows 多屏聚合控制：DDC/CI 亮度与显示器配置、系统音量和输入、鼠标、桌面组件。Fluent desktop controls for monitors, audio and mouse.

Rydersel / Candela

Candela protects your displays from OLED burn-in and wear: panel health history, a checkup for defects, and the controls macOS leaves out for external monitors (brightness, volume, contrast, custom resolutions, HiDPI scaling). Free and open source.