Research Guides: Open Educational Resources: Search Engines

OER Search Engines

OERCommons
Links to high quality resources. Very well indexed, but you will need to dig.
Creative Commons Search
Keyword search for open materials in services like Flickr, Jamendo, etc.
Open Washington
Links to OER textbooks and course materials from various sources.
Google Advanced Search
In the Advance Search setting, narrow your search by Usage Rights.
The Mason OER Metafinder (MOM)
Real-time federated search for OER content
Unpaywall
An open database with thousands of free scholarly articles.