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Open Educational Resources (OERs)

Open Textbooks

Textbooks available for free or at a more affordable cost for students can be found at any of the websites below. While some open textbooks are only available electronically, some site offer printed texts at a material cost.

Start by exploring these three repositories:

More open textbook search options below:

OER Search Engines & Repositories

The following search engines and repositories will lead to a variety of OER materials. Advanced search options are best when looking for a specific type of material. You may also search Google and/or YouTube using the permissions filters. Don't forget to check under the Subject-Specific Resources and Open Media Resources pages.

The Mason OER Metafinder

Created by George Mason University and Deep Web Technologies, the search box below will search 15 different OER sites.

Search: Mason OER Metafinder (MOM)


OER Repositories