Learning and teaching materials that can be shared, edited, and reused without obtaining permission from the owner are known as Open Educational Resources, or OERs. Since the producer of OER material has lifted certain copyright restrictions, it is readily accessible to the public and uses under an open license in the public domain. For academics looking for a free and authorized alternative information source to aid in their research and study, President University OER is available.
The following are the tenets of OER:
The List of Open Educational Resources (OER)