You might want to take a look at: http://www.pentabarf.org/ http://www.pentabarf.org/ I am not a user, but visited several events managed by with help of this

You might want to take a look at: http://www.pentabarf.org/ http://www.pentabarf.org/ I am not a user, but visited several events managed by with help of this software. http://www.pentabarf.org/Conferences_planned_with_Pentabarf http://www.pentabarf.org/Conferences_planned_with_Pentabarf