Open Educational Resources (OER) by Katie Harding and Jo-Anne Petropoulos is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Open Educational Resources (OER) are learning objects or materials that can be used for teaching, learning, assessing, or researching, and that are openly available to (re)use.
Learning objects or educational materials that are freely accessible and available to anyone, does not necessarily classify them as OER. OER must be licensed in such a way as to allow reuse or redistribution of the material. This is often done using a Creative Commons license or other open license.
If you have a question about use of OER in your teaching and learning please reach out to oer@mcmaster.ca.