F.lux | Smart Monitor Lighting

February 21 2010, 2:55am

"During the day, computer screens look good—they're designed to look like the sun. But, at 9PM, 10PM, or 3AM, you probably shouldn't be looking at the sun. Tell f.lux what kind of lighting you have, and where you live. Then forget about it. F.lux will do the rest, automatically."