Bepress Teaching Commons
Search institutional repositories for faculty-created course materials.
A vast directory of textbooks and teaching tools such as course modules, exercises, and lecture notes. Use the advanced search to limit results by discipline and material type.
My Open Math
Problem sets and quizzes for popular open textbooks in algebra, calculus, and more.
Over 35,000 resources for higher ed including textbooks, lectures, assignments, and interactive content. Also features materials for K-12.
Directory of Open Access Books
A collection of open access books from publishers of academic, peer reviewed titles. Major contributors include Brill, De Gruyter, and university presses.
National Academies Press
More than 8,500 titles published by the National Academy of Sciences. Note that this content is not licensed for modification or redistribution. You can download and link to the books for free.
Open Access Publishing in European Networks
Contains freely accessible academic books, in a number of languages, mainly in the areas of humanities and social sciences.
Open Humanities Press
An international, scholar-led publisher of books and journals with a focus on critical and cultural theory.
OER undergo varying levels of editorial and peer review. The tools below can help you evaluate the quality and suitability of a resource.
Open Textbook Network Review Criteria
A rubric used by OTN member institutions that considers comprehensiveness, accuracy, clarity, organization, etc. It is less detailed and more flexible than the ACHIEVE.org rubric.