"Open Educational Resources (OER) are teaching and learning materials that you may freely use and reuse at no cost, and without needing to ask permission. Unlike copyrighted resources, OER have been authored or created by an individual or organization that chooses to retain few, if any, ownership rights" (OER Commons).
The permissions bundled with OER can be defined by the 5 R's (created by David Wiley):
The UVA Library has established a robust program to help UVA faculty with the creation and adoption of OER resources for their classes, including grant opportunities. Please visit their guide to learn more.