Openly Available Sources Integrated Search (OASIS), https://oasis.geneseo.edu
Currently searches open content from 115 different sources. See search widget code at https://oasis.geneseo.edu/about.php.)
Mason OER Metafinder (MOM), https://mom.gmu.edu
Searches 22 sources, including HathiTrust, Internet Archive, OER Commons, Project Gutenberg, and the Digital Public Library of America
MERLOT SmartSearch, https://www.merlot.org
Once you do a search in MERLOT, select the Other Libraries tab and it will expand the search to more than 80 other sites and repositories. It also includes the option to filter by Creative Commons license. Not all MERLOT content is OER.
California Open Online Library for Education (COOL4Ed)’s ISBN search, https://www.cool4ed.org/findetextbooks
Scroll down the Cool4Ed web page to find it. Input a commercial textbook’s ISBN into the search box. Results provide links to related open textbooks in MERLOT.
Openverse (formerly Creative Commons’ new CC Search for images,) https://wordpress.org/openverse
now includes free stock photos, images, and audio
Creative Commons’ old CC Search, https://oldsearch.creativecommons.org
Google Advanced Search, https://www.google.com/advanced_search
See Usage Rights filter to filter by Creative Commons license
Google Advanced Image Search, https://www.google.com/advanced_image_search
See Usage Rights filter to filter by all Creative Commons licenses
For higher education
For vocational training
What are other college courses using?
For all ages
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