The Snes9x GTK port (C) Brandon Wright is provided under the GNU Lesser General Public License (LGPL) as noted in lgpl.txt, and also under the Snes9x license as noted in snes9x-license.txt. The snes_ntsc filter is licensed under the LGPL 2.1 (lgpl.txt). Particular files may also be the work of other authors, and will note any license information within them. Brandon Wright (bearoso)