DisplayCal, color calibration software for Linux. And you can even buy an open-source hardware calibration tool: ColorHug.
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Jamaica 2002: Curtis and the Coconut Drink
10 Random Photos:
Vedauwoo 2001: Greg's Anchor
Massachusetts 2001: Pepe
Topo: White Ranch
Peanuts Wall 2001: Greg Leading an Unknown 02
Australia 2004: Fingal Bay Tide 05
Moab 2006: Amasa Back: Colorado River
Spam Museum: South Korean Spam
KBCO 2002: Pirate Ship
Portland Flowers 21
Mendocino 2006: Driving