Ghent PDF Workgroup (GWG) founded 2002, is an international assembly of industry associations whose goal is to establish and disseminate process specifications for best practices in graphic arts workflows.

European Color Initiative (ECI) is a group of experts which is dedicated to advancing media-neutral colour data-processing in digital publishing systems.

International Color Consortiums (ICC): The purpose of the ICC is to promote the use and adoption of open, vendor-neutral, cross-platform color management systems. The ICC encourages vendors to support the ICC profile format and the workflows required to use ICC profiles.

European Color Initiative (ECI) Mailing List: For everybody interested in the work of the ECI as well as ICC based colour management in general, it is possible to subscribe to online mailing lists and participate in the corresponding discussions. Ideas, experiences, and questions about the ECI and colour-management issues can be freely exchanged here.

PrintPlanet Adobe Forum: E-Communities for Print Professionals

Adobe's Acrobat Forum: User to User Forum on Adobe Acrobat

PDF/A Competence Center a cooperation between numerous world-leading companies and experts in PDF technology. The aim of the PDF/A Competence Center is to promote the exchange of information and experience in the area of long-term archiving in accordance with ISO 19005: PDF/A
The PDF/A Competence Center is hosting a mailing list for related questions and discussions.