Server is a project by @pof.
Client pyqtggpo is a project by papasi.
Emulator is borrowed from the official GGPO emulator, by ponder.
Specials thanks to DamDai for the tips, Pau Oliva as an inspiration and Tony Cannon for keep retro games alive.
In order to contribute to the comunity and help anothers emulators, both, the server and the client have the source code available on github. Feel free to fork or use the project.