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:
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.
Open, online courses with content that can be retained, reused, revised, remixed, and redistributed.