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Open Educational Resources (OER): Find OER

Searching for OER

We know that it can be overwhelming to find appropriate OER.

Begin your search using the search engines below to get a broad overview of available materials hosted on various repositories. If you come up empty-handed, the repositories on the Textbooks, Audiovisual Materials, Primary Sources, and Course Modules pages may help you find what you need. And if not -- your Library Liaison is ready to help!

If you'd like to recommend a resource to add to this guide, email Alli Martel at

Openly Available Sources Integrated Search (OASIS)

OASIS is an aggregated search tool from SUNY Geneseo's Milne Library that aims to make the discovery of open content easier. OASIS currently searches open content from 115 different sources. You can also browse OASIS by Subject to find materials for your course.

Mason OER Metafinder (MOM)

Mason OER Metafinder (MOM) is a real-time federated search engine developed by The University Libraries of George Mason University. MOM contains up-to-the-minute search results for 22 OER repositories that OASIS might miss.

MOM iconMason OER Metafinder (MOM)
Advanced Search

Openverse: Creative Commons Search

Openverse is a search engine for openly-licensed media. It includes items licensed via Creative Commons or are in the public domain. The previous iteration, Creative Commons Search, will remain available indefinitely.  

Creative Commons

Google Image Search

You can quickly find CC-licensed images via Google Images by using the Creative Commons filter. After you search, click the Tools button, then select Creative Commons licenses.