The William and Flora Hewlett Foundation (n.d) define Open Educational Resources as:
Teaching, learning, and research resources that reside in the public domain or have been released under an intellectual property license that permits their free use and re-purposing by others. Open educational resources include full courses, course material, modules, textbooks, streaming videos, tests, software, and any other tools, materials, or techniques used to support access to knowledge.
The William and Flora Hewlett Foundation. (n.d). Open Educational Resources. Retrieved from http://www.hewlett.org/programs/education/open-educational-resources