Open Source f.lux Alternatives

    The best open source alternative to f.lux 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 many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to f.lux are LightBulb (Free, Open Source), RedshiftGUI (Free, Open Source), Red Moon (Free, Open Source) and Gammy (Free, Open Source).

    This page was last updated Apr 22, 2021

    1. Sets brightness, gamma levels and color temperature with Redshift on Cinnamon.
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      • FreeOpen Source
      • Windows
      EasyEyes by Autosofted is an app that can do what f.lux does and more. F.lux only allows the user to adjust temperature, while EasyEyes allows both temperature AND brightness adjustment. EasyEyes allows the user to create multiple transition times.


      • FreeOpen Source
      • Mac
      Synchronize your external monitor brightness with built-in display. Application reads current brightness of your built-in display and passes it to external monitors via DDC interface. You can adjust brightness by menu in system status bar.
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    2. Redshift Tray is a no-frills GUI for the screen temperature adjustment tool Redshift. - Control Redshift based on location, custom night/day times, or manually - Enable/disable by double-clicking the tray icon - Has lots of other features via hotkeys.
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      • FreeOpen Source
      • Mac
      Shady puts a shade over your screen to help soothe your tired or dazzled eyes. You can use it to reduce your Mac's brightness far below the usual minimum, without any risk of damage to your screen.


      • FreeOpen Source
      • Linux
      A programs which adjust screen brightness due to light detectedby webcam
    3. This add-on allows to apply a filter in the web pages in order to attenuate the blue light.
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    4. 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.
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      • FreeOpen Source
      • Mac
      Lumen - magic auto brightness based on screen contents. You control Lumen simply by using your brightness keys - it'll automatically learn your preferences.
    5. Nocturne is simple app for switching a computer to night vision mode. It has a few tricks up its sleeve: color correction, window shadow toggling, and background removal.

      Discontinued

      The project has been abandoned. Last version, 2.0.0, released in September 2009, can be still downloaded from Google Code Hosting

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