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General Knowledge


  • DeviceLink profiles add to the usage of standard ICC profiles. Read more ...
  • Article about the usage of PDF/X in the professional print industry by Peter Kleinheider
    Read more ...


Long term archiving using PDF

  • Detailed information about the ISO standard 19005-1 (PDF/A). Read more ...
  • General questions on PDF/A - we have answers for you: Read more ...
  • An overview of the most important differences between PDF/A and PDF/X Read more ...

PDF/A Competence Center

The PDF/A Competence Center was founded in 2006 as an association to promote the use of PDF/A. callas software is a founding member of the PDF/A Competence Center. Find out more ....

Interview about the importance of PDF/A

Interview with Olaf Drümmer, founder and CEO of callas software GmbH. Read more ....

Recommended Resources


  • 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.
  • 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.

Bulletin Boards and Mailing Lists

  • 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.
  • 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.

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