Open educational resources (OER) are teaching, learning and research materials, in any format and medium, in the public domain or released under an open licence that allows no-cost access, reuse, adaptation and redistribution by others.

The AVASUS OER are licensed under Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0). Each one is the Moodle backup (.mbz) of the course, without user data, ready to restore in another Moodle. Log in and answer the terms of use (only once) to download.