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
Denmark
EUAlerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- BSD
Open Source Twilight Blue Light Filter AlternativesColor Temperature Tools and other similar apps like Twilight Blue Light Filter
The best open source alternative to Twilight Blue Light Filter is Redshift. If that doesn't suit you, our users have ranked more than 10 alternatives to Twilight Blue Light Filter and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Twilight Blue Light Filter are LightBulb, Red Moon, waysn and wlsunset.
Alternatives list
50 Redshift alternatives
54 LightBulb alternativesBackground application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.
The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.
+4
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
- Chrome OS
- Software as a Service (SaaS)
KSetting 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.
SSmall 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.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Linux
- Wayland
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