wl-gammactl is described as 'Small GTK GUI application to set contrast, brightness and gamma for wayland compositors which support the wlr-gamma-control protocol extension. Basically this is the example from here: https://github.com/swaywm/wlroots/blob/master/examples/gamma-control' and is an app. There are more than 50 alternatives to wl-gammactl for a variety of platforms, including Windows, Mac, Linux, Android and Wayland apps. The best wl-gammactl alternative is f.lux, which is free. Other great apps like wl-gammactl are Redshift, LightBulb, Solace and Red Moon.
Worlds first Myopic Defocus effect. Applies a Myopic Defocus effect on any website. This makes the screen look on the retina naturally as if it was at a greater distance. People report it being more convenient to look at.
Experience a more comfortable screen during nighttime use with LumiGuard: Night Mode. Adjust your display's color temperature and brightness to reduce eye discomfort in low-light environments.
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