Lecture presented at ICTP Workshop "New Trends for Science Dissemination" in Grignano, Trieste. 28 september, 2011 A Moodle course on accessibility, as a step towards the use of creativity in online courses, integration with other tools, creation of a community. Course was designed and created by ASTRID group during the Master in E-Learning of Università della Tuscia and then adopted as a project to propose by Digital Co-Lab at Uhiversity of Parma.