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LightZone – Professional-level digital darkroom software

LightZone is professional-level digital darkroom software for Windows, Mac OS X, and Linux. Rather than using layers as many other photo editors do, LightZone lets the user build up a stack of tools which can be rearranged,turned off and on, and removed from the stack. It’s a non-destructive editor, where any of the tools can be re-adjusted or modified later – even in a different editing session. A tool stack can be copied to a batch of photos at one time. LightZone operates in a 16-bit linear color space with the wide gamut of ProPhoto RGB.