Following is a comprehensive listing of general Open Educational Resources (OER) sites for open courseware, textbooks, teaching resources, and subject-specific OER.
Where to start your search
- For an initial search of any OER content, we recommend you start with Mason OER Metafinder (MOM) which has broader, real-time, search capabilities. It can simultaneously search across 21 different sources of open educational materials, including well-known OER repositories such as OER Commons, MERLOT, and OpenStax, and also sites such as HathiTrust, DPLA, Internet Archive and NYPL Digital Collections. You could also try the Publicly Available Content Database (ProQuest) which includes open content.
- For an initial search of OER textbooks, we recommend starting with the top five major textbook platforms: MERLOT, Open Textbook Library, OpenStax, OASIS, and BC Open Textbook Project.
For more general information about Open Educational Resources please go to the OER Toolkit.