Rgb2Cmyk is a freeware utility program for converting Xara X Pantone CMYK images.
Free excellent utility to capture colors and organize your own palette.
The Scribus Team
It brings professional page layout to Linux/UNIX, Mac OS X, etc.
Real Software Solutions
Real PDF Printer allows you create and optimize PDF output.
NiceFeather Software Solutions Corporation
The component is provides facilities to work with RGB, HSL, CMYK color models.