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, RedshiftGUI and Gammy.

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.

Windows Night Light alternatives page was last updated

Windows Night Light

Free • Proprietary
Color Temperature Tool

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

More about Windows Night Light

Redshift
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Screen Dimmer
Mac
Windows
Linux
BSD
49 Redshift alternatives
Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.
- - Redshift is the most popular Open Source alternative to Windows Night Light.
Suggest and vote on features
Redshift Features
1. Dark ModeRedshift supports dark mode for comfortable usage in low light conditions.
2. Command line interfaceRedshift either have CLI support or is a CLI-only app.
3. LightweightRedshift consumes less device resources compared to similar apps.
4. PortableRedshift can be used from a USB stick or similar with no prior installation.
Blue light filter
Color correction
Display Management
Cross-Platform
System management
KDE Widget
Fedora Repository
Debian package compatible
Discontinued
No longer working on modern systems, and no longer updated.
LightBulb
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Screen Dimmer
Windows
50 LightBulb alternatives
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.
Suggest and vote on features
LightBulb Features
1. LightweightLightBulb consumes less device resources compared to similar apps.
2. PortableLightBulb can be used from a USB stick or similar with no prior installation.
3. Dark ModeLightBulb supports dark mode for comfortable usage in low light conditions.
Customizable
Optimal performance
Blue light filter
Configurable
Support for Hotkeys
Fullscreen Pause
Automatic Lighting Control
Application Whitelist
Color correction
Graphical User Interface
Red Moon
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Android
F-Droid
32 Red Moon alternatives
The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.
Suggest and vote on features
Red Moon Features
1. No TrackingRed Moon will not track you or use your personal data.
Time Scheduling
Automatic brightness dimming
Color correction
Blue light filter
RedshiftGUI
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Windows
Linux
42 RedshiftGUI alternatives
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.
Suggest and vote on features
RedshiftGUI Features
Color management
Reduce Eyestrain
Discontinued
The project seems to be no longer developed. Last version, 0.2.4, released in August 2014, can be still downloaded from GitHub.
Gammy
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Screen Dimmer
Windows
Linux
53 Gammy alternatives
Adaptive screen brightness and temperature for Windows and Linux.
Suggest and vote on features
Gammy Features
Automatic brightness dimming
Backlight brightness control
Blue light filter
Automatic Lighting Control
Graphical User Interface
Color correction
Discontinued
The project is no longer being worked on and the repository has been archived
Desktop Dimmer
Is this is a good alternative?
Yes
No
Free • Open Source
Screen Dimmer
Mac
Windows
Linux
46 Desktop Dimmer alternatives
Enable darker-than-dark dimming for internal and external screens.
Suggest and vote on features
Desktop Dimmer Features
Display Management
Automatic brightness dimming
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.
NegativeScreen
Is this is a good alternative?
Yes
No
Free • Open Source
Windows
21 NegativeScreen alternatives
NegativeScreen is a Windows application allowing you to invert your screen colors.
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NegativeScreen Features
1. Dark ModeNegativeScreen supports dark mode for comfortable usage in low light conditions.
2. PortableNegativeScreen can be used from a USB stick or similar with no prior installation.
Color correction
Kumux
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Mac
Windows
Linux
Chrome OS
Software as a Service (SaaS)
53 Kumux alternatives
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.
- - Kumux is the most popular SaaS alternative to Windows Night Light.
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Kumux Features
Color Palette
VSCode
Vim
Night Screen / Blackbulb
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Android
Android Tablet
F-Droid
47 Night Screen / Blackbulb alternatives
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.
Suggest and vote on features
Night Screen / Blackbulb Features
Backlight brightness control
Reduce Eyestrain
Display Management
Shifty
Is this is a good alternative?
Yes
No
Free • Open Source
Color Temperature Tool
Mac
15 Shifty alternatives
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.
Suggest and vote on features
Shifty Features
1. Dark ModeShifty supports dark mode for comfortable usage in low light conditions.
Nocturne
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
47 Nocturne alternatives
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.
Suggest and vote on features
Nocturne Features
Color correction
Discontinued
The project has been abandoned. Last version, 2.0.0, released in September 2009, can be still downloaded from Google Code Hosting
Brisync
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
52 Brisync alternatives
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.
Brisync has no features, suggest some!
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