What are Open Educational Resources (OER)?

This page lists major indexes and repositories of open access textbooks and other course materials. The majority of these materials are issued under a Creative Commons license, and are freely accessible to both instructors and students. OER aim to reduce the cost of textbooks to students while providing high-quality, expert-developed learning and instructional materials.

Navigate to the desired subject category on each site to locate materials that may be suitable for your courses, or contact your liaison librarian for assistance.

OER Commons https://www.oercommons.org/

A vast database containing thousands of open educational resources, curated from a wide variety of creating institutions, and organized by subject area and material type. Contains full courses, modules, lessons, etc., in addition to textbooks.  

Open Textbook Library https://open.umn.edu/opentextbooks/

A large, well-organized collection of open textbooks assembled by the University of Minnesota. Textbooks are drawn from a variety of sources, and records include instructor reviews.

Merlot https://www.merlot.org/merlot/index.htm

A veteran player in the open education movement, Merlot provides a single interface to search their own collection, other collections, and the web at large for open textbooks and other materials. The site also serves as a hub for open educational content developers and instructors.

OpenStax: https://openstax.org/

A project based at Rice University that develops open access textbooks. All content is unique to the OpenStax site. Offerings are primarily in mathematics and the sciences.

SUNY OER: https://textbooks.opensuny.org/

Open access textbooks developed and published through the State University of New York. 20 textbooks in various disciplines available now.