Mediactivist, artist-researcher, musician and anarchitect, an active member of apo33, Julien Ottavi is involved in research and creative work, combining sound art, new technologies and construction of electronic devices. An activist in the free software movement, he participated in the production and the diffusion of APODIO free multimedia software (www.apodio.org). He participates in, and produces, numerous events such as conventions of researchers, artists and activists, sound art or multimedia festivals, workshops on free sofware, etc.