Deluge is a fully-featured cross-platform BitTorrent client. It is Free Software, licensed under the GNU GPLv3+ and adheres to freedesktop standards enabling it to work across many desktop environments.
GTK-gnutella
gtk-gnutella é um servidor/cliente para a rede ponto a ponto Gnutella.
Tixati
Tixati é um novo e poderoso sistema P2P