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
The Best Free f.lux AlternativesTop Color Temperature Tools & Screen Dimmers like f.lux
The best free alternative to f.lux is Redshift, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to f.lux and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to f.lux are LightBulb, RedshiftGUI, Twilight and Red Moon.
Alternatives list
50 Redshift alternatives
Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.
47 RedshiftGUI alternativesRedshiftGUI 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.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Windows
- Linux
45 Twilight alternativesThe app filters the blue spectrum on your phone or tablet after sunset and protects your eyes with a red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times.
The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.
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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.
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
37 Midnight Lizard alternativesMidnight Lizard web-extension for Google Chrome™ and Mozilla Firefox™ provides custom color schemes for all websites.
Cost / License
- Free
- Open Source (MIT)
Application type
Alerts
- Discontinued
Platforms
- Microsoft Edge
- Google Chrome
- Mozilla Firefox
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151 Iris alternativesReduces 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.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
It makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.
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This is open source, while f.lux wants you to download a binary and run it constantly on your system.