Multidisciplinary Open Educational Resources (OER) – are free learning and teaching materials that anyone can access, use, share, and adapt. They cover a wide range of subjects and academic disciplines, including science, technology, mathematics, health, social sciences, education, business, and the humanities. These resources may include textbooks, courses, lesson plans, videos, quizzes, and other educational materials.
Below is a list of Multidisciplinary Open Access Databases arranged alphabetically.

A rich online source of free educational resources curated by the Arizona State University that include teacher toolkits with lesson ideas, podcasts and videos, access to virtual field trips and fun features such as “Ask an Anthropologist” and “Ask a Biologist”. Link: https://asuforyou.asu.edu/

BBC’s free online study support resource for school-age pupils in the United Kingdom designed to aid pupils in both schoolwork, and for older pupils, exams. Link: https://www.bbc.co.uk/bitesize

BCcampus is a publicly funded organization that aims to unify and support the adaptation and evolution of teaching and learning practices in post-secondary institutions through collaboration, communication, and innovation. Link: https://bccampus.ca/

CCCOER is a joint effort by the OER Center for California, Foothill-De Anza Community College District, the League for Innovation in the Community College and many other community colleges and university partners to develop and use open educational resources (OER) and especially open textbooks in community college courses. Link: https://www.cccoer.org/

The Internet Archive, a non-profit, is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, they provide free access to researchers, historians, scholars, people with print disabilities, and the general public. Link: https://archive.org/

Free Online Course Materials is a California State University MERLOT collection of over 35,000 open course materials. Link: https://www.merlot.org/merlot/index.htm

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. Link: https://milneopentextbooks.org

OER Commons was created as a network for teaching and learning materials, the web site offers engagement with resources in the form of social bookmarking, tagging, rating, and reviewing. Link: https://www.oercommons.org/

The OER Knowledge Cloud is a curated database and repository to identify, collect, preserve and disseminate documents related to open educational resources. There are currently 2917 published records by 4939 authors from 1035 sources, with 1755 file archives. Link: https://www.oerknowledgecloud.org/

OAPEN connects libraries , publishers , researchers , and funders with a global infrastructure for peer-reviewed open access books to advance research and the public good. Link: https://www.oapen.org

The Open Course Library (OCL) is a collection of shareable course materials, including syllabi, course activities, readings, and assessments designed by teams of college faculty, instructional designers, librarians, and other experts. Link: https://opencourselibrary.org

Serves as a free educational platform from The Open University, dedicated to helping the community. OpenLearn offers many free resources, including various courses, articles, videos, and interactive materials for everyone. Link: https://www.open.edu/openlearn/

Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 132 different sources and contains 447,682 records. Link: https://oasis.geneseo.edu/index.php

OpenStax is part of Rice University, which is a nonprofit charitable corporation published high-quality, peer reviewed, openly licensed college textbooks that are absolutely free online and low cost in print. Link: https://openstax.org

Open textbooks are free textbooks that anyone can use, share, and adapt. They are reviewed by college and university faculty to ensure quality. These books can be downloaded for free or printed at a low cost. Most are used by colleges and universities or are connected to educational and professional organizations. The library currently offers 1873 textbooks, and new titles are added regularly. Link: https://open.umn.edu/opentextbooks/

A nonprofit initiative working since 2008 to open education to everyone, everywhere — now accredited and offering four tuition-free master’s degrees. Offers 164 free, self-paced courses across 7 disciplines. Link: https://learn.saylor.org
