Open Source Windows Night Light AlternativesColor Temperature Tools & Screen Dimmers like Windows Night Light

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

Background 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.

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.

Adaptive screen brightness and temperature for Windows and Linux.

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

Prevent your eyes from being hurt by screen light on Android. Adjust brithness and screen color to prevent your eyes from being hurt by screen light.

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

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.

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.

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.

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.