Open Educational Resources (OER)

Academic Journals is a publisher of peer-reviewed open access journals covering a wide-variety of topics.

Cambridge University Press accepts open access submissions in 350+ journals.

Frontiers is a gold open access publisher. All articles are published under a CC BY license.

Hindawi is a fully open access journal publisher specializing in science, technology, medicine, and the social sciences.

IOP Science publishes open access journal articles from the the Institute of Physics (IOP).

With over 98 high impact open access journals, MDPI offers 400+ peer-reviewed journals that are available under a CC BY license in a variety of fields.

OMICS International Journals hosts over 700 open access journals from across the world.

According to their website, "PLOS ONE accepts research in over two hundred subject areas across science, engineering, medicine, and the related social sciences and humanities."

"PubMed® comprises more than 36 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites."

Sage offers both open access and traditional journals on a variety of topics.

Elsevier offers open access publishing in nearly all of their 2,800 journals, including over 750 journals that are fully open access.

According to their website, SCIRP "publishes over 200 peer-reviewed open access journals online, covering a diverse range of academic disciplines. By offering its publications in Open Access, SCIRP caters to the global academic community and facilitates the advancement and application of science."

SpringerOpen includes over 200 open access science journals and open access books.