Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux




Night Shift: Blue Light Filter is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is f.lux, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to Night Shift: Blue Light Filter and 14 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Night Shift: Blue Light Filter are Redshift, RedshiftGUI, Iris mini and waysn.
Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.




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

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.



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.




Reduces 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.



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.