Open Educational Resources (OER) are teaching, learning and research materials in any medium – digital or otherwise – that reside in the public domain or have been released under an open license that permits no-cost access, use, adaptation, and redistribution by others with no or limited restrictions.
An open textbook is a textbook offered online by its author(s) under an open license (such as Creative Commons). This license separates open textbooks from traditional textbooks by allowing users to read online, download, or print the book at no additional cost.
Click here and select the "Open Access Textbooks" tab for a directory of OER textbook publishers & providers
OpenCourseWare (OCW) is a free and open digital publication of high quality college and university‐level educational materials. These materials are organized as courses, and often include course planning materials and evaluation tools as well as thematic content.
OpenCourseWare are free and openly licensed, accessible to anyone, anytime via the internet.
Click here and select the "Open Courses" tab for a directory of OER textbook publishers & providers