Publishers often make distinctions between three primary versions of an article when referring to the self-archiving or deposit rights retained by authors. Here are a few common definitions that you may find.
Publishers are more likely to allow authors the right to post copies online of pre-print versions of a paper. Each journal or publisher, however, has different rules and restrictions, and authors need to be aware of what they can do before posting a copy of a paper online or sharing copies with colleagues. Ask your publisher what rights you have as an author. In addition to checking on the publisher’s homepage, you can also look up a journal’s open access or self-archiving policies in Sherpa Romeo.
DOAJ (Directory of Open Access Journals) was launched in 2003 with 300 open access journals. Today, this independent index contains almost 17 500 peer-reviewed, open access journals covering all areas of science, technology, medicine, social sciences, arts and humanities.