Many people who have contributed to GYOML are artists/technologists who work on a freelance basis running workshops,training sessions with open source software. Here are some links to their websites.
Simon Blackmore - Manchester, UK Specialist areas - interactive sound, robotics, sculpture website
Julian Oliver - Berlin, Germany Specialist areas - 3D Graphics, digital composition website
p-tex - Lancaster, UK Specialist areas - Sound, Sensors and live performance website
Steve Symons - Manchester, UK Specialist areas - interactive sound, camera tracking, 3D sound website
Aymeric Mansoux - goto10, UK Specialist areas - live AV production and performance and the development of the pure-dyne platform. website
Southside Media (G41) The community newpaper / website in Pollockshields and now Polockshaws in Glasgow. They produce their monthly newspaper entirely with open source software. website
Simon Blackmore - Manchester, UK Specialist areas - sound and objects. website