Open access peer-reviewed journals, freely available on the internet. Some publishers charge article processing charges (APCs) or fees (APFs). Researchers can choose to publish in fully OA journals, see the Directory of Open Access Journals (DOAJ).
Scholarly journal publishers offer a combination of subscription access and open access. Researchers may be approached by a hybrid publisher to pay a fee for open and immediate access.
Scholarly journal publishers permit researchers to deposit or self-archive publications in institutional repositories such as Victoria's Research Archive -Te Puna Rangahau, subject repositories such as the arXiv preprint archive in physics, mathematics, computer science; RePeC (Research Papers in Economics), the Social Sciences Research Network - provide free unlimited online access to self-archived versions of publications.
Open access scholarly publishing free of fees and access charges, for example, Discrete Analysis, an online peer-reviewed journal where articles are links to arXiv