Registration for FOSS4G 2010 in Barcelona is now open. The event is plan from Monday 6th through Thursday 9 September, 2010. Early registration for only €360. Participation is open to all persons interested in Free and Open Source Software for Geospatial. Those who wish to attend the Conference should complete the online registration form. Website registration is strongly encouraged. Please note that all persons intending to attend the Conference must register, including Invited Speakers, Chairpersons, Delegates, Exhibitors and Sponsors. Please read through the below information carefully before you complete your registration form.