F.lux

F.lux screenshots

Adapts the color of your screen to the time of day to reduce eyestrain
Colors by time of the day
F.lux 4.6 : Colors by time of the day

Alternative downloads

LightBulb
Reduces eye strain at night by automatically adjusting display gamma.
1.6.3.6
FREE
Good Night PC
Small and effective utility to shutdown your computer.
1.9
Adapt It
A computer program that helps translate texts between related languages.
6.2.0
FREE