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Open Source Windows Night Light Alternatives

The best open source alternative to Windows Night Light is Redshift. If that doesn't suit you, our users have ranked more than 25 alternatives to Windows Night Light and 17 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Windows Night Light are LightBulb, Red Moon, Gammy and RedshiftGUI.

Windows Night Light alternatives are mainly Color Temperature Tools but may also be Screen Dimmers or Health Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Windows Night Light.
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  • FreeProprietary
  • Windows

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

Learn more about Windows Night Light

  1. Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.

    Screenshot
  2. LightBulb is an application that reduces eye strain produced by staring at a computer screen when working late hours. As the day goes on, it continuously adjusts gamma, transitioning the display color temperature from cold blue in the afternoon to warm yellow during the night.

    Screenshot


  3. The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.

    Screenshot
  4. Adaptive screen brightness and temperature for Windows and Linux.

    Discontinued

    The project is no longer being worked on and the repository has been archived

    Screenshot
  5. RedshiftGUI icon

    RedshiftGUI

    • FreeOpen Source
    • Windows
    • Linux

    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.

    Discontinued

    The project seems to be no longer developed. Last version, 0.2.4, released in August 2014, can be still downloaded from GitHub.

    Main dailog


  6. Desktop Dimmer icon

    Desktop Dimmer

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Enable darker-than-dark dimming for internal and external screens.

    Discontinued

    The last commit to the project is from November, 16 2017 and it gave some users a bunch of deprecation errors when they tried to install and run it.

    Desktop Dimmer For Windows
  7. NegativeScreen icon

    NegativeScreen

    • FreeOpen Source
    • Windows

    NegativeScreen is a Windows application allowing you to invert your screen colors.

    Simple Inversion
  8. Kumux

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Software as a Service (SaaS)

    Kumux is a dynamic circadian color scheme for code editors and other software. It adjust color temperature, color hues, contrast and brightness levels throughout the day based on the position of the sun.

    Screenshot
  9. Shifty icon

    Shifty

    • FreeOpen Source
    • Mac

    Shifty was made to expand the capabilities of the built in Night Shift feature in macOS. You can disable Night Shift for specific apps and custom time periods. It also provides easy access to a slider to fine tune your color temperature.

    Screenshot
  10. Night Screen / Blackbulb icon

    Night Screen / Blackbulb

    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid

    Night Screen helps protect your eyes from screen light on Android devices. Adjust brightness and screen color to prevent your eyes from being hurt by screen light.

    Screenshot
Showing 10 of 17 alternatives