Open Access refers to scholarly material that is free to view at the point of use (see the video below).
Gold/diamond open access refers to works (e.g. journal articles) made freely available by the publisher. This denotes two types of access. First, content may be published in an open access journal without a fee being paid to a publisher. This type of free open access is known as diamond open access (see The Directory of Open Access Journals). The second is the article processing charge (APC) route, where a fee paid by the author of a work, or their employer, in order for the work to be open access. This is known as gold open access
Green open access refers to an item made open access by the author/s with the permission of the publisher, usually in an institutional repository. These are most commonly author accepted manuscripts, (post-peer review, pre-publication versions of manuscripts).
Open access benefits HEIs and the wider world by:
For more information on open access see:
Video by PHD TV, made available under a CC-BY license.