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Open Educational Resources (OERs): Home

Open Textbook Network

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Youngstown State University is a member of the Open Textbook Network. OTN promotes access, affordability, and student success through the use of open textbooks. Visit the Open Textbook Library.

What is OER?

Defining the "Open" in Open Content and OERs

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:

  1. Retain - the right to make, own, and control copies of the content (e.g., download, duplicate, store, and manage)
  2. Reuse - the right to use the content in a wide range of ways (e.g., in a class, in a study group, on a website, in a video)
  3. Revise - the right to adapt, adjust, modify, or alter the content itself (e.g., translate the content into another language)
  4. Remix - the right to combine the original or revised content with other material to create something new (e.g., incorporate the content into a mashup)
  5. Redistribute - the right to share copies of the original content, your revisions, or your remixes with others (e.g., give a copy of the content to a friend)

This material was created by David Wiley and published freely under a Creative Commons Attribution 4.0 license at

OERs and Affordable Learning

YSU Open Educational Resources

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.

Creative Commons
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.

SPARC* Fact Sheet on Open Education

Open Washington: Open Educational Resources Network

The Mason OER Metafinder

Search: Mason OER Metafinder (MOM)

The Mason OER Metafinder searches 17 major OER platforms.

What is Affordable Learning?