Online platform created by the Bulgarian Ministry of Education and Sciences which includes a page with a catalogue with Open Educational Resources in the frame of the Project ‘Education for Tomorrow’

Open Educational Resource (OER) repositories may include full courses, textbooks, or any learning materials, including images, videos, or documents related to teaching and learning. It is estimated that there are now more than 1.4 billion works licensed under various Creative Commons licenses (State of the Commons, 2017).