Open Access Resources are research materials that have been made available to the general public, free of charge: data and datasets, books and articles, including scholarly research articles. This is not the same thing as public domain works or those items that have fallen out of copyright protection; open-access authors have chosen to share freely so that anyone can use the works legally without permission or fees. Open Access is part of a continuum ranging from completely closed, subscription/purchase-only access to completely open, no-barrier publishing. Open Access is not related to the quality of materials or the peer-review/non-peer-review status of the publications.
What is open access? Nick Shockey and Jonathan Eisen take us through the world of open access publishing and explain just what it's all about. (8:23 min.)