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.
- - f.lux is the most popular Windows, Android, Mac & iPhone alternative to Gammy.
- - f.lux is the most popular free alternative to Gammy.
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 Gammy.
No longer working on modern systems, and no longer updated.
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.
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.Discontinued
The project seems to be no longer developed. Last version, 0.2.4, released in August 2014, can be still downloaded from GitHub.
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 cycle based on your local sunset and sunrise times.
Midnight Lizard web-extension for Google Chrome™ and Mozilla Firefox™ provides custom color schemes for all websites.
Midnight Lizard Features
Screen dimming software that allows you to control the brightness of your screens as well as external monitors.
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.
- - SunsetScreen is the most popular commercial alternative to Gammy.
Iris mini is free and minimalistic version of Iris. Small. Minimalistic. Free. Portable. Automatic. Awesome for everyone. Just double click and it will work.
Iris mini Features
Enable darker-than-dark dimming for internal and external screens.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.