While there is a wide range of open material available on the web, our subject guide offers a starting point for your exploration of OER.
Open Textbooks
OER Commons: Open Textbooks

Use this catalog to search for textbooks published by institutions around the world.

College Open Textbooks

Over 100 peer-reviewed textbooks


Free, peer-reviewed textbooks that meet requirements for most courses

BC Campus OpenEd

A collection of over 200 open textbooks


Open SUNY Textbooks is an open textbook publishing initiative established by State University of New York libraries and supported by SUNY Innovative Instruction Technology Grants.

Open Textbook Catalog

Catalog of open access textbooks made available by the University of Minnesota. Faculty are encouraged to rate and review the texts


A platform for sharing and editing OER, collections are organized into “libraries” by subject and include open textbooks and visualizations
Open Course Materials
Academic Commons
Free resources and digital tools, focusing on liberal arts education.

Center for Open Educational Resources and Language Learning- Supported by the University of Texas Austin, COERLL has a number of tools and materials for language learning

Digital Public Library of America
Wide range of multimedia objects from libraries, archives, and museums.

Internet Archive
A non-profit library of millions of free books, movies, software, music, websites, and more.

Khan Academy
Video tutorials on a range of subjects.

MIT OpenCourseWare
Digital publication of almost all MIT course content. Open and available to the world.

Open Course Library
Collection of high quality, free-to-use courses for download. All content is stored in Google docs making it easy to access, browse, and download.

Open Courseware Consortium
Educational materials organized as courses, and made available by over 200 higher education institutions and associated organizations from around the world.

Open Learning Initiative
Open and free courses from Carnegie Mellon University, available for students and faculty with tools available for incorporating into courses.

Project Gutenberg
Over 49,000 free ebooks in the public domain.
Subject Specialist
Picture: Lauren Slingluff

Lauren Slingluff
Associate Dean of Library Services
Tel: (508) 286 3733


Searchable database of OER textbooks, courses, course materials, modules, interactive simulations, audiobooks, videos and more
Mason OER Metafinder
Search via Mason OER Metafinder (MOM):


A meta-search tool created by George Mason University Libraries that allows you to search across 20 OER repositories at once
Research by Subject