Open Educational Resources (OER) are learning, teaching and research materials in any format and medium that reside in the public domain or are under copyright that have been released under an open license, that permit no-cost access, re-use, re-purpose, adaptation and redistribution by others. The James E. Walker Library supports educators in identifying, using, customizing, creating, and publishing OER.
Examples of OER include:
Opencontent.org states that true OER are free to access and allow for the 5Rs of open content: