Open educational resources (OER) are teaching, learning, and research resources that are in the public domain or have been released with an open license (often a Creative Commons license). Anyone can freely use, copy, adapt, and reshare OER.
They encompass textbooks, full courses, syllabi, test questions, lecture notes, assignments, software, videos, lab notes, games, and more.
According to opencontent.org, to be considered "open," educational resources must be free and give users the freedom to do the 5 R's:
OER include digital learning materials such as:
In the spirit of OER, the pages Open Textbooks, OER Repositories, and Open Courseware Resources are a re-mixed version of a guide page created by Jen Klaudinyi from Portland Community College. All original content is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. All linked-to content adheres to its respective license.