While specific resources can be found on this page, here are some more general resources.
Feel free to browse these-- not everything from these larger resources is listed in this LibGuide, and there may be a hidden gem or a new resource that has been added since this page was last updated.
OpenStax, a nonprofit educational initiative affiliated with Rice University strives to enhance educational accessibility and learning by aiming to overcome barriers to education and provide free, high-quality, peer-reviewed college textbooks online and at a low cost in print.
Pressbooks Directory is a searchable catalog of 5,487 open-access books from 153 organizations, allowing users to freely use and modify content using the Pressbooks platform, with high accessibility and interactive learning activities.
Open Textbook Library is a catalog supported by the Open Education Network that contains open textbooks licensed by authors and publishers to be freely used and adapted for educators.
This repository will perform a simultaneous search across 19 different OER sources: OpenStax, OER Commons, MERLOT, HathiTrust, NYPL Digital Collections, and more!
The MERLOT system searches OpenStax CNX, MIT Open Courseware, OER commons, Orange Grove, and other repositories for online learning and support materials uploaded by educators, learners, and researchers.
OASIS currently searches open content from 79 different sources and contains 324,517 records! OASIS is being developed at SUNY Geneseo's Milne Library.
OERTX Repository is a public digital library of open educational resources for higher education. Search collections or create and collaborate to improve instruction.
OpenLearn is a free learning platform, delivered by The Open University as part of its Royal Charter commitment to support the wellbeing of the community.