• The Open Definition
  • Research
  • Guides
  • Tools and Other Resources
  • Exemplary Open Licensing Policies
  • OpenGLAM Principles

    Open Definition

    One of the most important resources for OpenGLAM is the Open Definition project, which gives a concise definition of what open means and keeps a log of compliant licenses.

    The Open Definition can be summed up as:

    “A piece of data or content is open if anyone is free to use, reuse, and redistribute it — subject only, at most, to the requirement to attribute and/or share-alike.”

    For more information go to:


    In this section you will find reports and research papers published by a variety of people and organisations on various aspects of open data and open content in cultural heritage including its impact and value.


    In this section you will find guides to help you understand basic legal and technical concepts relating to open cultural data and content.

    Tools and other resources

    In this section you will find tools and resources, including webpages that give you more information on the copyright term for specific jurisdictions and Wiki pages with other links.

    Exemplary Open Licensing Policies

    A number of organisations and institutions have put together exemplary open licensing policies for their content and/or data. We know that these can serve as useful examples for people exploring the possibility of introducing similar policies within their institutions:

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