Use these links to search for OERs across multiple repositories, collections, and websites:
PASCAL + EBSCO Faculty Select
300,000+ online textbooks and academic books from PASCAL, EBSCO, and prominent OER sites with a "request purchase" form to inquire about obtaining materials without access
Find OER
by OPEN Washington and managed by Washington State Board for Community and Technical Colleges
Openly Available Sources Integrated Search (OASIS)
by SUNY
Mason OER Metafinder
by George Mason University
CC Search
search the Creative Commons
Open Culture
browse thousands of open courses, certificates, eBooks, audiobooks, movies, and podcasts
Google Advanced Search
filter results by "usage rights" and evaluate source copyright use carefully
These OER collections offer credible course materials in a variety of formats with all items licensed for free educational use:
OER Commons
50,000+ high quality OERs by the ISKME with a community and technical college level search option. Search the SCTCS OER Hub for free course materials shared by South Carolina Technical College System instructors.
Open Course Library
free courses and materials funded by the Bill & Melinda Gates Foundation and managed by the Washington State Board for Community and Technical Colleges
MERLOT
more than 40,000 OERs in a variety of formats are in this collaborative collection with peer-review process by 23+ international education institutions and systems
Open Textbook Library
growing catalog of free, peer-reviewed, and openly-licensed textbooks by the Center for Open Education and the Open Textbook Network.
OpenStax College
open source textbooks that meet standard scope and sequence requirements written by professional educational content developers with a rigorous peer review process
Milne Open Textbooks
a catalog of open textbooks authored and peer-reviewed by SUNY faculty and staff
BC Campus OpenEd
textbooks aligned with the province's top 40 highest-enrolled subject areas including trades and skills training
MIT Open Courseware
publication of virtually all MIT course content available free to the world
Carnegie Mellon Open Learning Initiatives
offers courses and courseware to further the mission of improving higher education
Galileo Open Learning Materials
open textbooks, syllabi, and supporting materials created under Affordable Learning Georgia OER grants
Saylor Academy
nonprofit organization with 100+ free and open college and professional level courses
Internet Archive OER
free courses, video lectures, and supplemental materials from universities in the U.S. and China