Compare software

m1ddc vs ddcctl: catalog facts
m1ddc	ddcctl
Best for: Apple Silicon Mac users who want to control external monitor settings from a terminal	Best for: Mac users who want to control an external DDC monitor from scripts or the terminal
Free Free and open source under the MIT license.	Free Free and open source under the GPL-3.0 license.
macOS, Command line	macOS, Command line
Controls compatible displays through DDC/CI Works with supported USB-C, DisplayPort Alt Mode, and HDMI connections All 3 strengths for m1ddc Controls compatible displays through DDC/CI Works with supported USB-C, DisplayPort Alt Mode, and HDMI connections Can be used in scripts	Controls brightness and contrast from the shell Can be called from scripts and keyboard launchers All 3 strengths for ddcctl Controls brightness and contrast from the shell Can be called from scripts and keyboard launchers Offers binary downloads and Homebrew installation
Does not support Intel Macs Requires Apple's Command Line Tools	Additional controls depend on monitor firmware
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for m1ddc github.com/waydabber/m1ddc Catalog checked October 8, 2026	Official website Full listing and sources Sources for ddcctl github.com/kfix/ddcctl Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.