The arXiv (pronounced "archive") is a repository of electronic preprints, known as e-prints, of scientific papers in the fields of mathematics, physics, astronomy, computer science, quantitative biology, statistics, and quantitative finance, which can be accessed online.
BioMed Central is an STM (Science, Technology and Medicine) publisher which has pioneered the open access publishing model. All original research articles published by BioMed Central are made freely and permanently accessible online immediately upon publication. A number of journals may require an institutional or a personal subscription to view other content, such as reviews or paper reports.
Free, full text, quality controlled scientific and scholarly journals, covering all subjects and many languages. It is possible to search a specific article or browse subjects (practically all areas of knowledge) and journals.
F1000Research is an Open Research publishing platform offering immediate publication of articles, posters and slides with no editorial bias. All articles benefit from transparent peer-review and the inclusion of all source data. Though there is no Editor (or Editor-in-Chief) to make a decision on whether to accept or reject the article, or to oversee the peer-review process, F1000Research has an Advisory Board comprising a large group of leading experts across biology and medicine; they provide strategic input, advise occasionally on issues arising with specific articles, and many members of the board also act as invited referees.
HighWire Press partners with independent scholarly publishers, societies, associations, and university presses to facilitate the digital dissemination of 1463 journals, reference works, books, and proceedings concerning to all areas of study. Many peer-reviewed articles offered for free.
Online and open access, Scientific Reports is a primary research publication from the publishers of Nature, covering all areas of the natural sciences. It is open to all, publishing technically sound, original research papers of interest to specialists within their field, without barriers to access.
NRC Research Press, the publishing arm of the National Research Council of Canada (NRC) since 1929, transitioned in September 2010 from NRC and the Federal Government of Canada into an independent not-for-profit organization operating under the new name Canadian Science Publishing. It publishes 15 NRC Research Press journals in a broad range of scientific disciplines, and all journals are now available online full-text and are accessible before print publication.
OpenAIRE - Open Access Infrastructure to Research in Europe
OpenAIRE is formed by 50 partners, from all EU countries, collaborating to work on this large-scale initiative that aims to promote open scholarship and substantially improve the discoverability and reusability of research publications and data. It gathers research publications in several formats, including scholarly articles, dissertations and thesis, preprints, and research data.
OpenDOAR is an authoritative directory of academic open access repositories. As well as providing a simple repository list, OpenDOAR lets you search for repositories or search repository contents. Additionally, it provides tools and support to both repository administrators and service providers in sharing best practice and improving the quality of the repository infrastructure.
The Open Library of Humanities (OLH) is a charitable organisation dedicated to publishing open access academic journals from across the humanities disciplines, as well as hosting its own multidisciplinary journal. Launched as an international network of scholars, librarians, programmers and publishers in January 2013, OLH publishes articles ranging from classics, modern languages and cultures, philosophy, theology and history, to political theory, sociology, anthropology, film and new media studies, and digital humanities.
PubMed Central (PMC) is the U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature. Particularly interesting for researchers looking for materials about Medicine and related areas.
This non profit organization offers open access to peer-reviewed articles in areas like Biology, Medicine, Genetics, and Pathogenesis.)
SAGE is the world's 5th largest journals publisher, with a portfolio that includes more than 1000 journals spanning the Humanities, Social Sciences, and Science, Technology, and Medicine. While many of the SAGE journals require a subscription and are not openly available, several articles and publications were made open access and are searchable on the SAGE platform. To refine the search to open access content:
1) Click on Advanced Search
2) In the section "Access type", select the option "Open access content only".
3) Input your keywords and click "Search".
Science Publishing Group is an international and Open-Access publisher of journals covering a wide range of academic disciplines. It enables immediate, worldwide, barrier-free, open access to the full text of research articles for the best interests of the scientific community. SciencePG has published 110+ types of journals with more than 200 Volumes, 454 Issues altogether since October 2012 and all of them have been preserved by WorldCat, CAS, Researchbib, Academickeys, JournalSeek, DRJI, Electronic Journals Library (EJL), ZDB, EZB, etc.
Officially launched December 2016, SocArxiv follows the same principles of the Arxiv: it collects eprints, but it focuses social sciences, behavioral sciences, arts & humanities, education, and law.
Zenodo is a repository for research data and other datasets. It collects a wide range of digital artifacts in several formats, sizes, access restrictions or licence. Data, software and other artefacts in support of publications may be the core, but equally welcome by the project are the materials associated with conferences, projects or the institutions themselves, all of which are necessary to understand the scholarly process. Zenodo is closely tied to the OpenAIRE initiative.