DispCtrl

Free display control for Windows 11: one brightness slider for every monitor, night light, focus mode and keep-awake.

Desktopfreeglobal

DispCtrl is a free, open-source Windows 11 tool that puts brightness control for every connected monitor, external or laptop panel, behind one slider, alongside night light, focus mode, keep-awake and OLED care features. It's aimed at Windows users with multiple monitors who want unified display control without vendor-specific monitor software.

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