Olivier Ripoll wrote:
Gimp has some support for CYMK colour mode in the sense that you can
decompose your RGB image into CYMK. With the help of the separate plugin
( http://www.blackfiveservices.co.uk/separate.shtml ), you can even save
But if you need more advanced CYMK tools, you may have a look at either
krita (the KDE image tool) or cinepaint.
In terms of color management, Cinepaint and GIMP are more or less on a
par now (at least, in the 2.3 series). Neither has native CMYK editing,
to my knowledge.
Krita's been adding functionality very fast recently - they now have
La*b*, CMYK and RGBA, and apparently layer groups are going in soon. I
haven't used any later versions yet.
Gimp-user mailing list