OAPEN: Online Library And Publication Platform

OAPEN

A world of scholarly books: Open to all, built to last.

OAPEN connects libraries , publishers , researchers , and funders with a global infrastructure for peer-reviewed open access books to advance research and the public good.

Learn about how we support our community.

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Monthly downloads 1.5 million+ Open access books 40,000+ Participating publishers 450+ Languages represented 80+
  • Spotlight

    Forthcoming event attendance

    Come meet us in person at these conferences. This is a rolling list and as new conferences and events are added older ones will be removed, so make sure to check back regularly!

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  • Spotlight

    Introducing OAPEN’s new visual identity

    The Hague, 1 October 2025 We’re thrilled to share an exciting new update for OAPEN. Today, we unveil our refreshed visual identity – including a new logo – that better reflects who we’ve become, what we...

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  • Spotlight

    Launch of OPERAS-NL: collaboration between OAPEN and KNAW Humanities Cluster (HuC)

    Press Release: The Hague / Amsterdam, 17 November 2025 The OAPEN Foundation (OAPEN) and the KNAW Humanities Cluster are collaborating...

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  • Blog post

    Protecting Stability and Access: How We’re Safeguarding the OAPEN Library and DOAB Against Bot Traffic Surges 

    We want to share an important update regarding the temporary access issues that some of our community may have recently experienced on our platforms. We are fully aware of the problem and are working tirelessly to resolve...

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  • Blog post

    Blog Post: Introducing Our New Head of Technology, Anna Wałek 

    We are thrilled to announce that Dr. Anna Wałek has joined the OAPEN Foundation as our new Head of Technology. Anna brings a unique and powerful combination of strategic vision, deep expertise in open science infrastructure,...

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  • Bluesky Bluesky Feed

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For authors

The Toolkit offers clear guidance on open access (OA) book publishing for researchers and authors, and supports policy makers in shaping effective OA policies for books.

Go to the Toolkit →

  • Logo DFG – German Research Foundation
    DFG – German Research Foundation
  • Logo EU - European Union
    EU - European Union
  • Logo FWF - The Austrian Science Fund
    FWF - The Austrian Science Fund
  • Logo Knowledge Unlatched
    Knowledge Unlatched
  • Logo NWO - The Dutch Research Council
    NWO - The Dutch Research Council
  • Logo ScholarLed
    ScholarLed
  • Logo SCOAP3 - The Sponsoring Consortium for Open Access Publishing in Particle Physics
    SCOAP3 - The Sponsoring Consortium for Open Access Publishing in Particle Physics
  • Logo SNSF - Swiss National Science Fund
    SNSF - Swiss National Science Fund
  • Logo UKRI - UK Research and Innovation
    UKRI - UK Research and Innovation
  • Logo Wellcome
    Wellcome

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