Free open source software changes screen color temperature to match sun cycle, reducing eye strain
SunsetScreen is a free and open source software application that adapts the color temperature of your computer display according to the time of day, to match natural sunlight. It slowly adjusts the display from a cool blue light in the morning, to a bright white light at noon, to a warm orange light in the evening.
This color shifting reduces eye strain and fatigue associated with staring at a bright screen all day. The blue light emitted from screens in the evening has also been shown to negatively impact sleep cycles. SunsetScreen counteracts these effects by gradually removing the blue component after sunset.
The software works by placing an overlay filter over your entire display. You can customize the schedule and intensity of the color temperature adjustments in the settings. It includes options to pause or disable the filter as needed. SunsetScreen integrates seamlessly into Windows, MacOS and Linux systems.
By mimicking the natural shifts in ambient lighting, SunsetScreen creates a more comfortable and healthy viewing experience for computer users. The ability to reduce eye strain and sleep disruption makes it a valuable free utility for productivity.
Here are some alternatives to SunsetScreen:
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