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.
Definition of OER is from UNESCO.
This image is an adaption of the associated images that are a derivative of the BCOER Poster (PDF 527KB) by BCcampus, licensed under CC BY 4.0.
Attribution: Text a derivative of “How Libraries can Help”, in CCCOER: Faculty and Librarians Selecting High Quality OER, by Tina Ulrich, licensed under CC BY 4.0.