external-monitor

🖥 Control your display's brightness & volume on your Mac as if it was a native Apple Display. Use Apple Keyboard keys or custom shortcuts. Shows the native macOS OSDs.

Control your display's brightness from the macOS menu bar. Simple and easy to use.

💻➡ Extend a HIDPI screen to a normal DPI external display

Control your external monitor brightness on your Linux

Background changer that changes background depending on resolution

Professional GUI and CLI tool for controlling external monitor brightness and contrast via DDC/CI on Linux