Find an Open Educational Resource

Open educational resources (OER) are free, online learning materials with Creative Commons licenses.

We recommend the following sources for locating OER.

Many will have the same resources, but each is likely to have a particular focus and unique items available.

Mason OER Metafinder – Simultaneously searches across 22 different sources of open educational materials

Open Textbook Library – Free, peer-reviewed, and openly-licensed textbooks. University of Houston is a supporting member of the Open Textbook Network.

OpenStax – Free textbooks that are developed and peer-reviewed to ensure they meet the scope and sequence requirements of college courses.

OER Commons – Provides college-level OER from higher education institutions around the world.

Saylor Academy Bookshelf – Collection of freely available open OER for download, online reading, and sharing.

MERLOT – Curated resource of free and online textbooks for use in teaching and learning.

BC Campus OpenEd – Open textbooks for the 40 highest enrolled first- and second-year subject areas in the British Columbia’s public, post-secondary system.

OpenTextbookStore – A free collection of mathematics-related open textbooks. Includes supplements and a link to order print copies of the book.

State University of New York (SUNY) Open Textbooks – Publishes high-quality, peer-reviewed textbooks for use in higher education.

OAPEN Library – Freely available academic books mainly in the area of humanities and social sciences.

Directory of Open Access Books – Strong focus on humanities and social sciences, including many from international publishers.

Find more OER search tools in the Repositories and Search Tools section of the OER and Alternative Textbook Handbook.