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OER Commons is an open repository that contains materials for both K-12 and post-secondary classrooms. Check out "Collections," under the Discover tab, to browse OERs curated for different disciplines and audiences.
OASIS: Openly Available Sources Integrated Search
OASISwascreated by the Milne Library at SUNY Geneseo with the goal of facilitating the search for open learning materials. OASIS contains more than 155,000+ records from 52 different sources that have been carefully selected in collaboration with SUNY OER Services. You can limit search results by license, type of resource, subject, source, and reviews.
Mason OER Metafinder
Mason OER Metafinder (MOM)
The Mason OER Metafinder was developed at George Mason University and searches more than 20 OER collections. You can limit your search to OER-specific sites, such as OER Commons or BCcampus, or expand your search to include open content sites like American Memory and Project Gutenberg.