proprietary sections in the OpenJDK project. In May 2008, the  Fedora  9 [37] [46]  and  Ubuntu 8.04 [47]  distributions included IcedTea 6, based completely on  free  and  open source  code. [48]   Fedora 9 was the first version to ship with IcedTea6, based on the OpenJDK6 sources from Sun rather than