AARTKOM s.r.o. Art of Communication, AGH University of Science and Technology, Allan Mulondo, Alliance for Open Education, ARTEdiem, Association for Technology and Internet (ApTI), Association of Teachers of English of the Czech Republic (AUACR/ATECR), Associazione Italiana Biblioteche (AIB-WEB), Centrum Cyfrowe, Centrum pro studium vysokého školství (cscš), Commons Network, Commonwealth Centre for Connected Learning, Communia Association for the Public Domain, Creative Commons, Creative Commons Polska, Creative Commons Slovakia, EBIB, EDUin, EduKABE Fundacja Kreatywnych Rozwiązań, Electronic Information for Libraries (EIFL), Elisabeth N. Fotiade, European Association of History Teachers (EUROCLIO), European Digital Learning Network, European University Association, Europeana, Fundacja Szkola z Klasa, Information and Documentation Associations (EBLIDA), Intellectual Property Institute, Jonathan Mason, Kennisland, KlasCement.net, Lifelong Learning Platform – European Civil Society for Education, Malopolski Instytut Kultury, Mario Pena, Mediawise Society Association in Bucharest, Milan M. Horak, Neth-ER – Netherlands house for Education and Research, Open Education Working Group, Open Knowledge International, Platon Schools, Polish History Museum, Prague, Public Libraries 2020 (PL2020), SOU Nové Strašecí, SPARC Europe, Superbelfrzy, The Academy of Waldorf Pedagogy, The Association of History and Civics Teachers in the Netherlands (VGN), The Center for Public Innovation, The Ecumenical Academy, The European Association of Distance Teaching Universities (EADTU), The European Bureau of Library, The Foundation for a Free Information Infrastructure (FFII), The International Federation of Library Associations and Institutions (IFLA), The Libraries and Archives Copyright Alliance (LACA), The Media and Learning Association, The Slovak Chamber of Teachers (SCT), Union of Informaticians in Education (JSI), Warsztat Innowacji Społecznych, Wikimedia Czech Republic, Zakladni Skola Chomutov