A curated collection of free and open online teaching, learning, and faculty development services contributed and used by an international education community
High quality online educational resources for teaching and learning, with current emphasis on the sciences, technology, engineering, and mathematics (STEM)
A freely accessible online library that allows users to search and discover open educational resources (OER) and other freely available instructional materials
An effort by the State of Washington to identify and make available digitally free textbooks, interactive assignments, and videos to community and technical college instructors and students across that state,
OER Metafinder
This metafinder from George Mason University searches 16 targets in real time. The search takes a little bit longer but will yield diverse results.
The mission of Open SUNY Textbooks is to provide an academic-friendly publishing model and infrastructure which supports faculty adoption, remixing, and creation of open educational resources (OER) and courses
Take free online courses from some of the best universities and institutions in the world — Harvard, MIT, UC Berkeley, Microsoft, The Smithsonian and more
Part of Apple's iTunes store, iTunes U is a vast learning resource offering free educational content that users can download straight to their computer, iPad, iPod, or other mobile device
The Open Learning Initiative (OLI) is a grant-funded group at Carnegie Mellon University, offering innovative online courses to anyone who wants to learn or teach