Open Educational Resources (OER)

Initiative of the Open Education Network, offering 1400+ open textbooks. Many textbooks are reviewed by peers.

Open textbooks from Rice University, focusing on the highest-enrolled undergraduate college courses. OpenStax textbooks are among the most commonly used open textbooks across the country and often come with ancillary materials for instructors.

Open textbooks from the University of California Davis. Organized into 14 different "libraries" based on discipline.

Catalog of almost 6,500 books published on the Pressbooks platform. Many include interactive H5P content. Offers curated collections.

Openly Available Sources Integrated Search (OASIS) is a federated search tool that searches open content from 115 different sources.

Curated selection of open educational resources developed by BCcampus in British Columbia.

Formerly SUNY Open Textbooks. Authored and peer-reviewed by SUNY faculty and staff.

Open access ebooks from publisher Taylor & Francis. Can filter for textbooks. Note that some titles have only certain chapters that are open access, while other titles are open access in their entirety.

Multimedia Educational Resources for Learning and Online Teaching (MERLOT) includes a wide range of learning material types. Can search by ISBN for materials relating to a textbook you are looking to replace.

High-quality open educational resources from leading colleges and universities. Includes open-access textbooks, course materials, lesson plans, multimedia, lectures, and more.

Public digital library of open educational resources. Includes some textbooks.

Open education resources curated and created by Ohio faculty.

An extensive library of free stock photos, images, and audio that is released under a Creative Commons license or is in the public domain.

Federated search tool that performs your search simultaneously across 22 sources of OER material.