Lunar
Lunar is a free, open-source desktop utility for macOS. Intelligent adaptive brightness for your external monitors. It has 5,716 GitHub stars and is released under the MIT license. Its source code is on GitHub at alin23/Lunar.
About Lunar
Lunar The defacto app for controlling monitors Adjust brightness, change volume, switch inputs Lunar changes the hardware brightness of the monitor using the DDC protocol.
Install Lunar
Package names found in the project's README. Each links to its package page so you can check the publisher first.
brew install --cask lunarSimilar apps
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What is Lunar?
Lunar is a free, open-source desktop utility for macOS. Intelligent adaptive brightness for your external monitors. It has 5,716 GitHub stars and is released under the MIT license. Its source code is on GitHub at alin23/Lunar.
Is Lunar free and open source?
Yes. Lunar's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Lunar?
Homebrew: brew install --cask lunar. The commands are on this page. Installers are also on its GitHub Releases page (latest: v6.11.0).
Is Lunar still maintained?
The repository's most recent commit was on Jul 14, 2026. appsgit only lists apps whose repository had a commit in the last six months.