There are many alternatives to Redshift for Linux and since it's discontinued a lot of people are looking for a replacement. The best open source Linux alternative is RedshiftGUI. If that doesn't suit you, our users have ranked more than 25 alternatives to Redshift and 13 are open source and available for Linux so hopefully you can find a suitable replacement. Other interesting open source Linux alternatives to Redshift are QRedshift, wlsunset, gammastep and Gammy.
RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding. This means that it sets a cooler color temperature during the daytime (due to natural lighting) and sets a warmer temperature at night (due to indoor lighting). Similar to f.
It makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.
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.
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.
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Redshift stopped working, installed qredshift applet and it works, also has better config options and interface.