Apps similar to Multiscreen Blank include Solace. It's paid, but Dimmer and PangoBright are free. Other options are DimScreen, Gamma Dimmer and Display Flow + Care. In total there are six Screen Dimmers like Multiscreen Blank for Mac and Windows.
Automatically changes Mac appearance using real-time weather, sunlight, and time data for light and dark modes, dynamic wallpapers, and color temperature, with on-device privacy, menu bar access, no subscriptions, and no analytics for seamless daily comfort.
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Portugal
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Screen dimming software that allows you to control the brightness of your screens as well as external monitors.
United States
Form 1 Hour Software by skrommel, it can dim the screen by applying a transparent gray layer on top of your opened applications
United States
RomaniaEU
With cursor-based activation, keep your monitors off until you need them and protect your screens from burn-in and image retention.
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