Lunar
Intelligent adaptive brightness for your external display
Lunar launched on July 3, 2018 with 9 votes, #940 of 2,673 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 8 years on.
What it does
Lunar gives your Macbook adaptive brightness for external displays, and an easy way to manage brightness and contrast without fiddling with the (usually) hard to press physical buttons of the monitor. Inspiration: https://github.com/kfix/ddcctl
Control monitor brightness, adapt using the ambient light sensor, adjust volume, switch inputs and turn off displays without fiddling with clunky buttons.
Control the real brightness of any monitor, even on Apple Silicon. Unlike other software that only simulate a brightness change by adding a black overlay over your screen, Lunar uses DDC ( Display Data Channel ) to send commands like set brightness to 30% or switch input to HDMI 2 directly to the monitor. This keeps the colour rendering closer to reality, consumes less power and minimizes the backlight bleeding effect. Apple vendored displays get special treatment as Lunar uses an implementation hidden inside macOS Display Services to control them natively. The list of displays include: The same familiar keys can now control your external monitors. The brightness keys can also be configured…from lunar.fyi
Does a similar job
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Lunar XDR Brightness control2022 · lunar.fyi · ▲124Control monitor brightness, adapt using the ambient light sensor, adjust volume, switch inputs and turn off displays without fiddling with clunky buttons.




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