The terms "open content" and "open educational resources" describe any copyrightable work (traditionally excluding software, which is described by other terms like "open source") that is licensed in a manner that provides users with free and perpetual permission to engage in the 5R activities:
This material was created by David Wiley and published freely under a Creative Commons Attribution 4.0 license at http://opencontent.org/definition/.
Affordable Learning Ohio
OhioLINK's series of initiatives to lower the cost of college for Ohio higher education students by assisting member libraries and campuses in identifying strategies for Open and Affordable Learning textbook and course material adoption, and helping locate statewide shareable library materials as well as open educational resources that are no cost or lower cost to students.
Enables sharing and reuse of creativity and knowledge through the provision of free legal tools.
Global coalition committed to making Open the default for research and education.