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Free Resources for Teaching Online: OERs


OASIS currently searches open content from 79 different sources and contains 324,517 records.

Mason OER Metafinder (MOM)


MOM iconMason OER Metafinder (MOM)
Advanced Search


The OER Metafinder performs a simultaneous search across 19 different sources of open educational materials.

Search Google Images

You can also search Google Images and do an Advanced Search and limit by license. See example image below. Take note of the "Usage Rights" dropdown menu.

Google Images Advanced Search

OER Repositories


OER Commons


Open Textbook Library


Merlot II


Directory of Open Access Books



Open Learning Initiative

Shareable Online Learning Resources

HathiTrust Digital Library


Open Michigan


Open Education Consortium