Skip to main content
Searching for OER
This page contains links to a variety of OER search tools and repositories. If you're just getting started, try:
Open Textbook Library
Library of open textbooks in a wide range of subject areas. Many textbooks have been reviewed by faculty; all are either in use at multiple higher education institutions or are affiliated with an institution, scholarly society, or professional organization.
Public digital library of open educational resources.
Other OER Repositories & Search Tools
Curated collection of open textbooks and OER training materials.
High-quality, peer-reviewed, openly licensed college textbooks. Many have accompanying ancillary materials: to view these, go to the "Instructor resources" tab of any book.
GALILEO Open Learning Materials
University System of Georgia's OER repository.
Open SUNY Textbooks
Openly licensed textbooks and courses written and curated by SUNY Faculty
Florida's OER repository.
Curated collection of learning and support materials and content creation tools, some of which are not openly licensed. Use the "License" drop-down on the right to limit by license type.
Open textbooks and nearly 100 free, full-length certificate courses.
To view open course materials, select a course from the catalog then scroll to and click the "View Course Content" button.
Mason OER Metafinder (MOM)
To simultaneously search a variety of OER repositories.
OAPEN (Open Access Publishing in European Networks)
Freely accessible academic books, primarily in the humanities and social sciences. OAPEN is based in the Netherlands; use the "Language" filter after searching to limit to English-language titles.
Creative Commons Search
Tool for finding CC-licensed media.
50 million+ Creative Commons-licensed media files.
Google Advanced Image Search
Select a license type in the "usage rights" drop-down box at the bottom of the page to find openly licensed images.
1.6 million+ public domain stock photos, illustrations, graphics, and videos.
Billions of photos, some of which are not openly licensed. Use the drop-down on the left (default: "Any license") to filter by license type.
Public domain clipart images.
Free, high resolution public domain photographs.
Getty Open Content Images
Access all available digital images to which the Getty holds the rights or that are in the public domain to be used for any purpose. No permission is required.
Approximately 100,000 Creative Commons-licensed images from the California State University IMAGE Project.
Windward Community College Library