F.lux votes

Adapts the color of your screen to the time of day to reduce eyestrain
Andrey Lukutkin — 4 years ago
Big thanks to the developers, every day taking care of my eyes!
Scott — 7 years ago
You can notice the difference right away.
derio — 8 years ago
It is a great piece of software to avoid eye strain when you spend a lot of time in front of a computer. It slowly adjusts your display to match with outside ambient light. then again, it's not really useful when in enclosed space without windows and constant light or when doing color sensitive work (eg. Photoshop, web design etc)
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