Hi All, here a very good video why to use and develop free software: Freedom in your computer and in the net Richard Stallman http://media.ccc.de/browse/congress/2014/31c3_-_6123_-_en_-_saal_1_-_201412291130_-_freedom_in_your_computer_and_in_the_net_-_richard_stallman.html#video&t=3736