Open academic courses will begin to be offered gradually from this month by Tei of Western Macedonia and the Supreme Ecclesiastical Academy of Thessaloniki as the development platform of open academic courses is stinteliki form. "open lessons" is widely used abroad, While the term describes the free access to the environment of the course with rich multimedia content (slides, notes, video, etc.) and in educational material. Their respective "open academic courses» in TEI aim at developing open digital courses, available free to both students and the students of the University of Athens, and to the general public.