According the Hewlett Foundation, a pioneer in Open Educational Resources (OER) research, "Open Educational Resources are teaching, learning, and research materials in any medium -- digital or otherwise -- that reside in the public domain or have been released under an open license that permits no-cost access, use, adaption and redistribution by others with no or limited restrictions."
OER Search Engines/Repositories:
First Year Seminar/College Success:
Arts and Humanities:
Evaluate OERs in the same manner that you would review textbooks and other materials for your course. Some considerations: