Seminar paper from the year 2005 in the subject Computer Science - Software, grade: 1, 3, Free University of Berlin (Institut für Mathematik und Informatik), course: Open Source Software Engineering, 11 entries in the bibliography, language: English, abstract: This paper will show the problematic aspects of Open Source Software by looking behind the scenes and unveiling its mask of a happy and satisfied world of cooperating hobby-programmers with an enormous creative potential.