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m1ddc

Free#11 of 24 in Monitor Control Software

m1ddc: A focused open-source tool for scripting compatible monitor controls from macOS. Ranked #11 of 24 in Monitor Control Software by our editors (7.6/10); pricing: Free plan; best for mac developers using command-line control.

7.6/10Editor score

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m1ddc7.6 Visit m1ddc

At a glance

Editor score
7.6 / 10
Pricing
Free plan
Best for
Mac developers using command-line control
Free plan
Yes
Paid from
Free
Supported platforms
macOS (Apple Silicon)
Facts checked
20 Sep 2026

Where it wins
- Open-source and free for Apple Silicon macOS
- Controls brightness, contrast, RGB, volume, and inputs
- Supports CLI scripts, Hammerspoon, and Raycast
Where it doesn't
- Works only on macOS running on Apple Silicon Macs
- Requires compatible displays with DDC/CI support
- Designed for terminal use rather than full graphical management

Our verdict on m1ddc

m1ddc is an open-source command-line utility for controlling compatible external displays from Apple Silicon Macs. It is aimed at developers and technical users who want display controls available through the terminal, scripts, Hammerspoon, or Raycast rather than through a dedicated graphical monitor-management application. The tool supports displays connected over USB-C, DisplayPort Alt Mode, and supported built-in HDMI ports.

Its main strength is the breadth of controls exposed through DDC/CI. Users can set and read display brightness or luminance, adjust contrast and RGB channel gain, set and read volume, switch input sources, and list or identify connected displays. Command-line operation also makes m1ddc suitable for scripts that need repeatable display actions. PIP/PBP controls on certain Dell displays and KVM controls on certain displays extend its scope beyond basic brightness adjustment, while Hammerspoon and Raycast provide additional ways to invoke the controls.

The trade-off is a narrow platform and hardware fit. m1ddc supports macOS on Apple Silicon and does not support Intel Macs, and its display controls depend on compatible external hardware with DDC/CI support. It is therefore a strong choice for Mac developers who prefer terminal-driven workflows and need direct control over supported monitors. Users seeking a full graphical monitor-management application, broad operating-system coverage, or controls independent of display compatibility should choose an alternative. For its intended audience, the free and open-source model keeps the tool focused on practical command-line control rather than a larger desktop management suite.

Your product? Our editors can test m1ddc in depth and publish a review, labelled as paid · from $149/mo →

m1ddc pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on github.com

m1ddc fact sheet

Free plan	Yes
Paid from	Free
Supported platforms	macOS (Apple Silicon)
DDC/CI control	Yes
Input switching	Yes
Monitor profiles	Not verified
Settings scheduling	Not verified
CLI or API access	Yes
Auto brightness	Not verified
Deployment	Desktop
Platforms	macOS
Support	Community, Docs
Built for	Solo, Small business (editorial estimate)
Integrations	2 integrations: Hammerspoon, Raycast
Pricing	Free plan
Website	github.com
Facts checked	20 Sep 2026

m1ddc integrations

m1ddc lists 2 integrations on its own site.

Hammerspoon
Raycast

Alternatives to m1ddc

See all m1ddc alternatives →

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Featured on iTechGuides

m1ddc is listed in our Monitor Control Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update