Twinkle Tray Alternatives

Monitorian is a Windows desktop tool to adjust the brightness of multiple monitors with ease.

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

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

Brightness Control for Windows 7 in the native way. I always wondered, why Microsoft did not put it natively, but since we can not expect any change on the part of microsoft, so far. I decided to...

Monitor Bright reduces with a simple trick the monitor brightness.

Control your monitor's brightness, contrast and volume using keyboard or mouse.

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

Open Source

Synchronize your external monitor brightness with built-in display.

Free software for eye protection and more!

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

Iris mini is free cross-platform blue light reduction and PWM flicker free brightness software.