There are many reasons for using OERs in learning and teaching.
For teaching staff, OERs can supplement and add value to existing curriculum resources as well as enhancing and creating awareness of their own teaching and learning profile. They can also benefit from collaborating in a community of practice on a local or international level (COP).
For students, using OERs can expose students to a wider range of digital learning opportunities in the form of open texts, open images, open courseware, and self-assessment tools. According to JISC, learners can benefit from:
However it is helpful to be realistic in terms of the time input required to develop or create OERs. There may be sustainability issues around how frequently technology needs to be updated as well as UDL and accessibility considerations for users. Students may need assistance in using or finding OERs. There may be languge or cultural barriers and there may also be copyright or IP concerns.
Find more information about OER see the JISC website