Links

Design Tools

Adobe Best known for Photoshop, the Portable Document Format (PDF) and Adobe Creative Suite, as well as its successor Adobe Creative Cloud.
Generation Digital - CSI provides engineered color standards.
Lectra Fashion and apparel design software.
Ned Graphics Software solutions for design, creation, production & virtual sampling

Color Standards

Color Solutions International  - CSI provides engineered color standards.
Archroma  Archroma offers existing and custom color standards to manage your palette.
Pantone  The PANTONE® name is known worldwide for color communication.

Resellers

Spectraflow - Spectraflow is a reseller of color workflow solutions and the US Reseller of Color Insight.

Color Science

Bruce LindbloomBruce’s web site offers a wealth of information on the science behind color.
MunsellOne of the oldest and most complete color systems.
RIT's Color ProgramAcademic laboratory dedicated to research and education in color science, based at Rochester Institute of Technology.