Open and Affordable Course Materials

Opendora is a digital archive for open educational resources that serves as a central repository for Minnesota State faculty and librarians to leverage licensed open educational resources (OER) with the ability to access, load, and share material.

MERLOT is a program of the California State University system that invites educators to share and review OER on the MERLOT website. Items submitted to MERLOT are vetted by teams of peer reviewers with subject-area expertise.

OER Commons allows you to search for open educational resources in a variety of types, educational levels, and subject areas. Try the Advanced Search option to locate textbooks released for college-level courses--or look for other materials to supplement texts.

OpenStax specializes in creating materials for general education courses like Biology 101, Introduction to Sociology, and Calculus I-III. All textbooks have been peer-reviewed and vetted by the higher education community. OpenStax updates their textbooks over time and pairs each book with lists of added resources like slides and exercises that you can use in class.

OASIS currently searches open content from 97 different sources and contains 385,629 records. It is being developed at SUNY Geneseo's Milne Library.

Teaching Commons pulls together OER published at a number of colleges and universities including Portland State University, University of Massachusetts, University of Pennsylvania, University of South Florida, the City University of New York, and Utah State University. To find open textbooks, select "textbooks" under "types of works."

The Open Education Network is based in the Center for Open Education in the University of Minnesota’s College of Education and Human Development

The BCcampus Open Textbook Project is an initiative in British Columbia that intends to provide open textbooks for the largest courses in the province.

The Center for Computer-Assisted Legal Instruction (CALI) is a non-profit consortium of law schools, law libraries and related organizations. Its publishing arm, eLangdell Press, publishes open and free casebooks on a range of legal topics relevant to first-year students.

Luminos is University of California Press’s Open Access publishing program for monographs.

MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world

Purdue University Press is making available some of its older publications via Purdue e-Pubs. Books currently date from 1973 to 2006 and are freely accessible for non-commercial purposes.

Milne Library Publishing at SUNY Geneseo manages and maintains Milne Open Textbooks, a catalog of open textbooks authored and peer-reviewed by SUNY faculty and staff. Prospective authors can learn more about proposing a text here.

The SUNY Community textbooks series is a venue for SUNY faculty to share their already published openly licensed educational material. The work highlighted in this series have a variety of publishers, but are all:

authored by a SUNY faculty member
full courses or texts to be used in a college-level course
original work, or a significant remix or adaptation of another open work.
licensed with a Creative Commons license, with no ND designation

Pitt Press has selected these digital editions for open access. The majority of these titles are out-of-print monographs published by the University of Pittsburgh Press between 1938 and 2004.

UC Press E-Books Collection, 1982-2004, includes almost 2,000 books from academic presses on a range of topics, including art, science, history, music, religion, and fiction.

Open Osmosis is an initiative committed to developing & disseminating health education resources with the ultimate aim of making healthcare more accessible.

Free interactive math and science simulations provided via the University of Colorado, Boulder.

This library contains materials with an emphasis on STEM disciplines. Use the search engine to filter by "terms of use" to find OER.