Open Educational Resources (OER)

This directory lists a broad range of open educational resources (OER) organized by discipline.

Over 350 open textbooks in subjects including arts, business, health, recreation, sciences and social science.

Founded in 2008, LibreTexts is a leading, non-commercial open textbook organization for higher education. In Oct. 2018, the U.S. Dept. of Education awarded LibreTexts $5 million over 3 years to expand its collection of primary source textbooks and supplemental learning resources.

Open textbooks for math and economics; license fees for accompanying online assessments. Print-on-demand available for purchase.

A meta-search tool that simultaneously searches several large OER repositories of open educational materials.

Peer-reviewed free learning materials, exercises and webpages, and open textbooks.

A search tool for discovery of open content from 97 different sources. Search by content type such as full textbooks, course materials and interactive simulations, or browse by subject.

This guide highlights quality open textbooks organized by academic programs at McMaster University.

A large OER repository, including textbooks. A product of the Institute for the Study of Knowledge Management in Education.

Peer-reviewed texts in science, mathematics, statistics, business, economics, U.S. history and government, sociology and psychology. Supported by additional learning resources. Print copies available via Amazon.

Open textbooks in a variety of disciplines.

A resource of nearly 700 peer-reviewed academic textbooks that are free, openly licensed, and complete.

Open Textbook project with over 3,000 titles.