Types of Open Access:
There are many types of open access, perhaps because it is such a young movement that it's still developing standards. That said, there are three basic types:
- Green – refers to self-archiving generally of the pre or post-print in repositories
- Gold – refers to articles in fully accessible open access journals
- Hybrid – sometimes called Paid Open Access, refers to subscription journals with open access to individual articles usually when a fee is paid to the publisher or journal by the author, the author's organization, or the research funder.