Open Educational Resources are freely licensed materials that can be used for learning and teaching. They must be:
Open Educational Resources are copyrighted but they are licensed to the academic community to use and re-purpose under conditions specified by an open licence such as Creative Commons.
There are many advantages of using OERs. Below are some of them:
The OER industry is expanding rapidly with some universities placing large amount of material online. View the resources below.
Have a look at more resources that explain what OERs are.