Open Educational resources (OER) are free and openly licensed educational materials that can be used for teaching, learning, research, and other purposes.
What does it mean to be an openly licensed educational material? Textbooks, lesson plans, workbooks, presentations, and other course items can all be OER so long as the author allows the following when distributing:
Start your search or browse what's possible:
Evaluate OER in much the same way you would other materials for your courses.
(Source: University of Illinois Libraries Evaluate OER site)
Evaluation Checklists and Tools:
When you're reusing or remixing OER, you will want to know how to properly cite other people's work. All Creative Commons licenses come with the expectation of attribution, even if you are adapting content. In your citation, be sure to include:
(Source: Based on University of Oregon Open Educational Resources site by Rayne Vieger and Genifer Snipes)