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 RedshiftGUI for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux alternative is Redshift, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to RedshiftGUI and 15 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to RedshiftGUI are Iris mini, Iris, QRedshift and gammastep.
Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.

Enjoy free cross-platform blue light reduction and PWM flicker-free brightness control with Iris mini. Minimalistic design, portable, and automatic for no-hassle, eyestrain-relief across all devices. Simply double-click to activate, perfect for every lighting condition.



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.


It makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.


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.

A Python program that calculates ambient brightness and sets screen's correct backlight using a camera.

Setting the color temp of the screen really only requires about 40 lines of C (80 or so all inclusive). sct is a crude utility which does roughly that. I’d say exactly that, but some of the calculations aren’t actually exact.