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 est un serveur/client pour le réseau peer-to-peer Gnutella.
Tixati
Tixati est un nouveau et puissant système P2P