Alternatives to Shady for all platforms with any license

f.lux

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.

Free Mac Windows Linux Android iPhone ... Android Tablet iPad
Blue light filter Color temperature modes Backlight brightness control Colour control ... Time Scheduling Night mode/Dark Theme Scheduling Temperature Monitoring Add a feature

877 Like
Redshift

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

Free Open Source Windows Linux BSD
Color Temperature Ajustment Color correction Command line interface Portable ... Blue light filter Debian package compatible Fedora Repository KDE Widget Night mode/Dark Theme System management Add a feature

228 Like
LightBulb

Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.

Free Open Source Windows
Customizable Lightweight Portable Configurable ... Night mode/Dark Theme Sane defaults Automatic brightness dimming Automatic Lighting Control Blue light filter Color correction Optimal performance Add a feature

63 Like
RedshiftGUI

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...
- Discontinued
  The project seems to be no longer developed. Last version, 0.2.4, released in August 2014, can be still downloaded from GitHub.
Free Open Source Windows Linux
No features added Add a feature

89 Like
Red Moon

The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer. Red Moon is a screen filter app for night time phone...

Free Open Source Android F-Droid
Automatic brightness dimming Blue light filter Color correction Color Temperature Ajustment ... Time Scheduling Add a feature

36 Like
Twilight

The 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...

Free Android
Automatic brightness dimming Blue light filter Color correction Add a feature

47 Like
SunsetScreen

Whether you're a morning lark or night owl, SunsetScreen allows you to set the time of the sunset and sunrise, so you can have full control over your sleep cycle.

Commercial $ $ $ Windows
Customizable shortcuts Customizable Support for Keyboard Shortcuts Lightweight ... Portable Temperature Monitoring Add a feature

30 Like
Desktop Dimmer

Enables darker-than-dark Desktop dimming for your displays. - Small resource footprint, minimal User Interface. - Settings are persisted and restored per-Display...
- 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.
Free Open Source Mac Windows Linux
Automatic brightness dimming Add a feature

13 Like
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Iris mini

Iris mini is free cross-platform blue light reduction and PWM flicker free brightness software.

Freemium Mac Windows Linux
Blue light filter Add a feature

14 Like
Gammy

Adaptive screen brightness and temperature for Windows and Linux.

Free Open Source Windows Linux
Automatic brightness dimming Backlight brightness control Color Temperature Ajustment Automatic Lighting Control ... Blue light filter Color correction Gui Real-time Add a feature

7 Like