Odyssey - A learning objects and educational resources repository created and maintained by the University Libraries at Virginia Tech.
Open Course Library - A collection of shareable course materials, including syllabi, course activities, readings, and assessments designed by teams of college faculty, instructional designers, librarians, and other experts.
OpenStax - An open textbook collection from Rice University. Some textbooks include ancillary teaching materials.
OpenSUNY - An open access textbook publishing initiative established by State University of New York libraries.
Orange Grove - Florida's digital repository for instructional resources.