Open Access is a publishing and distribution model that provides free, unrestricted access to research outputs such as journal articles and books. Open Access ensures that anyone can access and use these results content is open to all with no access fees.
Digital library containing over 8 million books (as well as other digitized materials) from research libraries and cultural institutions around the world, mainly digitized via the Google Books project and Internet Archive digitization initiative. Full text searching of all materials is available. The collection is largely older titles in the public domain.
Searchable directory of over 15,000 academic, peer-reviewed books covering all major subject areas.
Founded by academics at the University of Cambridge, they publish open-access monographs and textbooks in the Humanities and Social Sciences
Open Access Publishing in European Networks (OAPEN) has a digital repository containing over 1500 academic, peer-reviewed books across all disciplines.
A discovery service for open access books operated by the OAPEN foundation. This online directory contains over 15,000 academic, peer-reviewed books and chapters covering all disciplines.
A collaborative project from the US Library of Congress and UNESCO that makes available thousands of significant primary source materials (including books) from libraries, archives and museums around the world
Directory of freely accessible journals and articles across all major subject areas. Over 12,000 journals and 3 million articles available through the searchable database.
Over 2 million full-text scholarly articles and other research works from hundreds of universities and colleges worldwide.
PubMed Central is a full-text, open access database with articles from the biomedical and life science disciplines. PubMed Central is administered by the National Library of Medicine .
Pre-print repository hosted by Cornell University covers scholarship in physics, mathematics, computer science, quantitative biology, economics, and statistics.
Modeled after ArXiv, this repository is a pre-print archive for the biological sciences. Administered by Cold Spring Harbor Laboratory.
Public Library of Science publishes several well-established open access, peer-reviewed journals that cover a range of disciplines in the sciences including PLOS Biology, PLOS One, and PLOS Medicine.
Springer publishes a number of open access journals through it's Springer Open publishing arm. These journals cover areas in science, medicine, humanities and the social sciences.
A high-profile initiative to establish a non-profit open access publisher for the humanities and social sciences. The Open Library of Humanities publishes and supports 23 journals.
A scholar-led, open access publishing collective, Open Humanities Press publishes a selective list of independently-produced open access journals in critical and cultural theory.
British-based open access publisher of peer-reviewed academic journals, books and data. Ubiquity press publishes 60 journals covering a range of subjects and disciplines.
Open access publisher with journals in the areas of Media and Communication, Politics and Governance, Social Inclusion and Urban Planning.