Open Educational Resources ( also termed open content or open courseware ) are educational materials and resources offered freely and openly for anyone to use and under some licenses to be shared, remixed or improved to redistribute.
Open Educational Resources include:
Image Credit: opensource.com
OER is a relatively new movement in education; educators and learners as well as learning institutions are driving its development. OER provides an alternative to the rising costs of education. OER provides a exploratory mechanisms for others means of teaching and learning that are collaborative and participatory.