There are some great OER Repositories where you can find current OER materials, which you can adapt. If you write your own OER, these are great places to host it.
DOAB is a community-driven discovery service that indexes and provides access to scholarly, peer-reviewed open access books and helps users to find trusted open access book publishers. All DOAB services are free of charge and all data is freely available.
LibreTexts is the adaptable, user-friendly non-profit open education resource platform that educators trust for creating, customizing, and sharing accessible, interactive textbooks, adaptive homework, and ancillary materials.
OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum.
OpenStax is part of Rice University, which is a 501(c)(3) nonprofit charitable corporation. As an educational initiative, it's our mission to improve educational access and learning for everyone.
Pennsylvania based repository. Explore the book titles below. Each eTextbook was created as a part of PA-ADOPT with the intention of using it in a course
POWER Library is the online portal to the resources that Pennsylvania libraries offer to all citizens of the Commonwealth, providing 24/7 access to newspapers, magazines, journals, historical documents and photos, online databases, and eBooks.
The Teaching Commons brings together high-quality open educational resources from leading colleges and universities. Curated by librarians and their institutions, the Teaching Commons includes open access textbooks, course materials, lesson plans, multimedia, and more.
Subject Specific Books
Below are some OER textbooks that either have high ratings or are widely used.
