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.
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.
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.
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.
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.
Windward Community College Library