The document outlines Roberto Galoppini's experience with open source software from 1994 to present. It details his involvement with open source projects and communities over the years, including using Linux mobile in 1994, starting an open source business in 2001, contributing to OpenOffice.org in 2002, writing about Debian in 2003, and consulting worldwide on open source from 2007 onward. The document also lists many open source software projects and European open source research projects that Galoppini has engaged with.