Find openly available research

What services make it easier to find openly available research articles?

NORA. The Norwegian aggregator NORA is harvesting approx. 70 Norwegian institutional repositories and the content the repositories have made available. The records can be viewed through the search interface. NORA is part of the larger OpenAIRE network of knowledge archives and aggregators.

DOAJ. An important search service for OA journals is DOAJ, Directory of Open Access Journals. Here you can search in several thousand journals within most subject areas.

CORE. The aggregator claims to have the world's largest collection of scientific articles.

1findr free edition. Commercial service where you can search for articles in peer-reviewed journals. There is also a free version. Advanced search is not included, but the service has a filter that will sort search results by whether they are openly available.

BASE - Bielefeld Academic Search Engine. An Academic search engine that contains about 120 million documents. Around 60 % of the indexed documents are openly available.

Dimensions. Citation and full-text database with scientific publications and funding information. The service is commercial, but it has a free version where you can search for open articles. Citation figures and statistics are also available.

Google Scholar is the most comprehensive database of research literature, but it does not have an editorial assessment of the quality of the sources. Therefore, the database includes different types of «green» OA material (preprint, postprint and published versions) and «gray literature», ie research literature that is not peer-reviewed, such as conference papers or research reports.

OpenDOAR. International database of open archives and their sharing policy.

OSF Preprints. Open platform that collects preprint versions and openly distributed manuscripts of scientific articles in everything from economics, architecture, social sciences and medicine.

Zenodo. Open scientific archive run by CERN. Here, researchers can deposit publications, preprint versions, software and research data for free.


Open subject-specific archives - for example:

Medicine, biology

bioRxiv. Open archive of preprint versions of articles from medical research.

PubMed Central (PMC). Archive with open articles in disciplines such as medicine and biology.

Physics, mathematics, computer science

arXiv. Preprint archive for physics, mathematics and informatics.

Social sciences and humanities

SocArXiv. Open archive for social science preprint articles, articles in work and other social sciences such as law and law, education etc.

Humanities Commons. Archive of open articles, books and other publications in the humanities.

Norwegian open journals in the humanities and social sciences (Norwegian text). From 2017, a selection of central Norwegian journals in the humanities and social sciences are openly available. It is extended with 28 open journals from 2021. There is no central database for these journals, so one must look them up invividually.


Reference databases

Researchers associated with a Norwegian research institution often have access to so-called reference databases, where one can do advanced searches for relevant research literature. The commercial bases Web of Science from Clarivate Analytics and Scopus from Elsevier are the most used. These databases provide the opportunity to filter on open access, so that it will then be possible to get an overview of relevant open literature. Contact the library at your institution if you are unsure whether you have access or if you need guidance in using the tool.



There are several browser add-ons that can simplify the process of finding legally open versions of research literature that lie behind the payment wall at the publisher. The tool is downloaded and installed in your browser. Search as you are used to and use a plug-in that shows you where you can find open versions of an article.



Contact an article author or another researcher.

There are several social media outlets where researchers can both build networks and exchange information. For example, ResearchGate and Academia are popular services. Be aware, however, that many researchers share more than they are strictly allowed to share with respect to copyright. Check the publisher / magazine's policy in the Sherpa / Romeo database, or on their website.

Contact the library

Articles that are not freely available and that your library does not have in its collections can be obtained from other libraries. Search for and order the article in Oria, and the library will try to get it for you.



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