ddcutil Usage

Applications Using the ddcutil command line program

• VDU Controls
• ddcrelight Controls a yoctopuce light sensor.
• Gnome brightness control, also found here
• ddcci-plasmoid A KDE Plasma widget for external monitor brightness adjustment
• DDC/CI Monitor Brightness Cinnamon applet to adjust brightness and contrast
• bctl A a simple Python daemon for controlling displays' brightnesses. It consists of a daemon process listening for user requests (e.g. changing brightness) and a client to send commands to the daemon.

Applications Using libddcutil

• KDE Powerdevil
• ddcui

APIs

• Rust Crates

Some Clever Scripting

• Use udev and ddcutil to automatically change input source