1. Meaning
The Directory of Open Access Journals (DOAJ) is an online directory that indexes and provides free access to high-quality, peer-reviewed academic journals. It was launched in 2003 at Lund University, Sweden, and is now maintained independently with support from libraries, publishers, and universities worldwide. It acts as a global platform for Open Access (OA) journals, ensuring that scholarly research is freely available to all without subscription or paywall barriers.The Directory of Open Access Journals is a community-governed index that lists quality-controlled, peer-reviewed open access journals and their article records. It makes core indexing and metadata free to read and reuse. It is a trusted gateway for discovering legitimate open-access scholarship across disciplines, languages, and regions. DOAJ offers rich search and browse at the journal and article level and open technical services for libraries, including weekly public data dumps in JSON and CSV, an API, and OAI-PMH harvesting with subject sets. It also provides simple embeddable widgets that let a library show a DOAJ search box or fixed query on its website. In 2023 and 2024, DOAJ introduced and refined safeguards for guest-edited special issues to protect editorial integrity. In April 2025, it retired the visible “DOAJ Seal” while improving metadata to reflect good practices without a badge. These features make DOAJ a learner discovery tool and a standards reference for librarians and editors.
2. DOAJ Growth and development
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• Origins and launch: The idea for a public directory of open-access journals emerged in 2002 at the Nordic Conference on Scholarly Communication, shortly after the Budapest Open Access Initiative. Lund University Libraries in Sweden launched the Directory of Open Access Journals on 12 May 2003 with roughly 300 journals, supported initially by the Open Society Institute and SPARC.
• Early expansion and technical foundations: DOAJ grew rapidly as publishers and libraries embraced open access. By 2007, DOAJ offered article-level metadata via OAI-PMH, which improved harvesting and discovery beyond basic Dublin Core records. This step made the directory more useful to library discovery systems and aggregators.
• Quality reform and reapplication project 2014 to 2017: 2014 DOAJ introduced extended inclusion criteria and asked almost all indexed journals to reapply under stricter transparency and peer-review requirements. In May 2016, about 3,300 journals were removed for failing to submit valid reapplications. The project concluded in December 2017 after processing 6,359 reapplications, with 2,058 rejections and a further 2,860 removals, which raised the reliability of the index.
• Policy updates to protect integrity: From late 2023, DOAJ created special-issue safeguards to ensure appropriate editorial oversight for guest-edited issues. In January 2024, DOAJ amended the criteria in response to community feedback, keeping the policy effective while avoiding unintended barriers.
• Metadata improvements and retiring the Seal in 2025: Following a 2024 community consultation, DOAJ announced metadata changes and retired the visible “DOAJ Seal” in 2025. The Seal’s underlying best practices remain encouraged, but the badge no longer appears in records. This shift emphasised richer metadata rather than a single label.
• Governance transition to a foundation: 2024 DOAJ established a Foundation Board to provide community governance under Danish law. In March 2025, DOAJ announced its move to the DOAJ Foundation as a Danish nonprofit, with an Advisory Board created in August 2025 to broaden stakeholder input. The transition aims to strengthen sustainability and accountability.
• Current scale and strategic focus: The live counter on the DOAJ home page shows the present scope: about 21.9k journals, 11.54 million article records, representation from 138 countries and 89 languages, and over 13.8k journals with no author fees. In 2025, DOAJ highlights Diamond open access to increase visibility for no-fee community-led titles.
3. DOAJ Objectives
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• Curate and verify a reliable OA journal index: Maintain and develop a trustworthy list of open access scholarly journals, and confirm that each title meets transparent editorial and peer-review standards.
• Increase visibility, discoverability, usage, and impact: Raise the global reach of quality OA journals across disciplines, geographies, and languages so researchers and the public can easily find and use them.
• Enable reuse and integration through open services: Provide open metadata and technical interfaces so libraries, universities, funders, and aggregators can harvest, integrate, and apply DOAJ data in discovery systems and workflows.
• Promote best practice and support the OA transition: Assist publishers and journals in meeting sound digital publishing standards, strengthen transparency, and support the broader shift toward equitable open scholarly communication.
4. DOAJ Features
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• Quality-controlled indexing of fully open-access, peer-reviewed journals, with clear expectations around transparency and best practice.
• Rich discovery tools at the journal and article level, including site search and browse, with subject and other filters that aid precise retrieval.
• Open metadata for reuse through multiple channels: Atom feed, OAI-PMH, API, and CSV or public data dumps for libraries and researchers.
• Harvesting by subject sets via OAI-PMH lets libraries pull only the necessary disciplines.
• OAI-PMH quality improvements include a delete flag that signals when journals or articles are withdrawn from the index, keeping local systems in sync.
• Embeddable widgets for library pages, including a Simple Search box and a Fixed Query widget to show curated DOAJ results.
• Clear OA policy definition that requires free availability and explicit user rights or licence terms.
• Ongoing technical updates to the public API, supporting reliable, programmatic integration into discovery layers and research workflows.