One of the largest repositories for open teaching materials. A wide range of material types covered, including books, assignments, case studies, course modules, quizzes, simulations, teaching slides, etc.
Materials in the Applied Math and Science Educational Repository funded by the National Science Foundation (U.S.) are free for use and adaptation. Most resources are at the high school and community college levels.
Contains OER developed or adapted by the CommonS (Common Spaces for collaborative learning) project, co-funded by the Eramus+ Programme of the European Union.
Open courses offered by State University of New York (SUNY) with plug-and-play ability - customizable and able to easily integrate with learning management systems.
Open Yale Courses provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University.
Large library of Massive Open Online Courses (MOOCs) from renowned universities. Many courses free to enroll. Limited reuse and modification of content available.