OER(Online Education Resources) are current edtech trend which are providing free online courses from many universities to our teachers and students.
Open Educational Resources (OER) are freely accessible, usually openly licensed documents and media that are useful for teaching, learning, educational, assessment and research purposes. Open Educational Resources include learning content, tools and licenses.
Learning Content: Full courses, course materials, content modules etc.
Tools: Software to create and manage open learning content.
Licenses: Intellectual property licenses to promote open publishing of materials, design-principles, and localization of content.