Gammy Alternatives

Background application that adjusts screen gamma, making the colors appear warmer at night...

f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.

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A very small and free utility for Windows to reduce brightness on LCD/TFT screens.

CareUEyes is an eye protection software for windows that comes with blue light filter, screen dimmer, and break reminder

Redshift adjusts the color temperature according to the position of the sun.

Open Source

Screen filter for night time phone use.

Stop burning your eyes! myPoint Shade is caring for your eyes' comfort.

Free software for eye protection and more!

Screen dimming software that allows you to control the brightness of your laptop screens as well as external monitors.

CF.lumen is a powerful app for Android that adjusts the colors by detecting the position of the sun or according to custom settings.

Endlessly minimizes all windows except the active one.

Calise is an open-source Camera Light Sensor developed using the python language to determine ambient brightness and configure the right brightness for the screen by using a camera.

Lux Automatically Adjusts Your Screen Brightness