Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- BSD

There are many alternatives to f.lux for Windows if you are looking for a replacement. The best Windows Screen Dimmer alternative is Redshift, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to f.lux and 13 are Screen Dimmers available for Windows so hopefully you can find a suitable replacement. Other interesting Windows Screen Dimmer alternatives to f.lux are LightBulb, Redshift Tray, Iris and CareUEyes.
Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.

Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.


Redshift Tray is a no-frills GUI for the screen temperature adjustment tool Redshift.



Reduces blue light and flicker for eye comfort, supports auto color temperature adjustment based on time, customizable modes, overlays, color and font options, docking station support, and accessible part-screen filtering for diverse needs.


CareUEyes is a very simple but useful program when it is about your eye care. The program comes with a very simple and clean interface and needs to technical knowledge. Even a novice computer user can download and use it easily.


Free software for eye protection and more! It protects your eyes while you are working on the computer. Eye Saver has three main functions: blue light filter; eliminates the invisible flickering of the display backlight; reminds you to take breaks;





To schedule Night Light so it turns on automatically, select Start > Settings > System > Display > Night light > Night light settings.

World's first instantaneous content-aware brightness control app that let your screen’s brightness and color temperature adapt instantly and automatically to provide the most optimal viewing experience for your eyes.






Form 1 Hour Software by skrommel, it can dim the screen by applying a transparent gray layer on top of your opened applications

This is open source, while f.lux wants you to download a binary and run it constantly on your system.