F.lux for Mac
Flux adjusts the color temperature of your Mac’s display according to the time of day. Designed to help late-night computer users save their eyes, F.lux for Mac provides a softer and gentler backlight for the screen by helping the display adapt to the time of the day.
App description: Flux 39.94
App description: System
The good: Free
The bad: None
Updated: March 31, 2017
System requirements: The program requires OS X 10.10 or later.