Open Educational Resources (OER)

College Open Textbooks has peer-reviewed more than a hundred OER textbooks and provides links for hundreds more. COT isn't a repository, but its links to free textbooks by subject run from anthropology to statistics.

The primary aim of DOAB is to increase discoverability of Open Access books. The directory is open to all publishers who publish academic, peer reviewed books in Open Access.

The LibreTexts mission is to unite students, faculty and scholars in acooperative effort to develop an easy-to-use online platform for theconstruction, customization, and dissemination of open educationalresources (OER) to reduce the burdens of unreasonable textbook costs toour students and society.

National Academies Press (NAP) publishes the reports of the Academies. NAP publishes more than 200 books a year on a variety of topics in science, engineering, and medicine. The information is authoritative and discusses important issues in science and health policy. The books are available online for free, although users must register to download content.

A list of course materials that faculty are using at campuses that participate in the OpenOregon initiative.

High-quality, peer-reviewed, openly licensed college textbooks that are absolutely free online and low cost in print.

The Open Textbook Library aggregates more than 1,000 openly licensed textbooks from open content sources such as OpenStax and BCcampus.

This collection showcases high-quality open educational resources from leading colleges and universities and makes them available to educators and students around the world. It includes open-access textbooks, course materials, lesson plans, multimedia, lectures, k-12 materials, and more.

A guide to editing open textbooks in different file formats. Published by the Open Textbook Network.

The open book creation platform