When looking for OER, consider what you are looking for before searching as it will help you find the right tool. Looking primarily for textbooks? Best bets are the Open Textbook Library or Pressbooks Directory. Also looking for ancillary materials or just want to see what is out there? Try OERTX or the OER Commons. See the list below for links to more resources, including an embedded search tool for the OASIS OER metafinder. If you can't find what you are looking for, don't hesitate to reach out to us here at OpenEd.
Pressbooks Directory is a free, searchable catalog that includes 6,871 open access books published by 181 organizations and networks using Pressbooks. Nearly all books are highly accessible, and many include interactive H5P learning activities to engage learners.
LibreTexts is the adaptable, user-friendly open education resource platform that educators trust for creating, customizing, and sharing accessible, interactive textbooks, adaptive homework, and ancillary materials.
The MERLOT system provides access to curated online learning and support materials and content creation tools, led by an international community of educators, learners and researchers.
Open Syllabus is a massive non-profit archive of the main activity of higher education: teaching. It provides top-down views of the curriculum across thousands of schools to support curricular innovation, lifelong learning, and student success.
Since 2001, MIT OpenCourseWare has been creating new opportunities for millions of learners and educators, sharing Open Educational Resources (OER) from MIT and helping to lead a global revolution in free access to knowledge.
The Mason OER Metafinder helps you find Open Educational Resources. The OER Metafinder is a real-time, simultaneous search across 22 different sources of open educational materials.