Open Journals
- arxivarXiv is a free distribution service and an open-access archive for nearly 2.4 million scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv.
- ChemrxivChemRxiv (pronounced 'chem-archive') is a free submission, distribution, and archive service for unpublished preprints in chemistry and related areas.
- BioMedBioMed Central is an open access publisher owned by Springer. Over 260 journals in the fields of science, technology, and medicine are published by BioMed Central.
- DOAJThe Directory of Open Access Journals is a collection of over 10,000 publications, aimed at creating a comprehensive index of high quality Open Access journals. Journals which best exemplify openness and quality are awarded the DOAJ Seal.
- OSF PreprintsA scholarly commons to connect the entire research cycle, on a broad range of topics from sciences to the humanities and social sciences.
- PLoSPLOS (Public Library of Science) is a nonprofit journal publisher that publishes several Open Access science journals. Most journals are restricted to a single subject, and some have subjective selection criteria, but PLOS ONE accepts all technically and ethically sound research.
- PubMed CentralPubMed Central is an archive of freely available biomedical and life science journal articles compiled by the US National Institutes of Health’s National Library of Medicine (NIH/NLM). Over 3.5 million articles are available.
- SSRNSSRN provides 1,500,020 preprints and research papers from 1,964,483 researchers in over 65 disciplines.
- CORE This link opens in a new windowCORE offers seamless access to millions of open access research papers, enriches the collected data for text-mining and provides unique services to the research community.
Search Everything - Open Access Journal Articles
Open Access Journal Discovery Tools
These tools help locate legally available manuscript versions and final published articles, provided the journal permits access or the journal is open access.
Unpaywall: Install the Chrome or Firefox extension to access open access versions of paywalled articles. A lock icon will appear next to the article, indicating whether an open access version is available.
Open Access Button: Enter an article's URL, DOI, title, or other details on the OA Button website to find free, legal open access versions. Alternatively, install the Chrome or Firefox extension and click on it when viewing a paywalled article to search for an open version. If no free access is available, the service can contact the author to help make the article publicly accessible.