Course materials from MIT.

Modular format of courses allows for content to be used creatively.

Developed by the Washington State Board fro Community and Technical Colleges, the Open Course Library provides course modules to be used and adapted freely. All textbook selections are free or under $30.

Lumen Learning creates open textbook/courseware resources.

Repository of open educational resources, ranging from textbooks to learning objects.

High quality education content in a variety of disciplines. Most content falls under a Creative Commons (CC by NC-SA) license.

Collection of textbooks and other teaching materials from leading institutions of higher learning.

Repository includes many learning objects and course materials.

Course materials and other OERs in a variety of subjects.

Collection of textbooks for a wide variety of subject areas.

Materials developed through the Ohio Open Ed Collaborative