– AMULE http://www.amule.org/
– FROSTWIRE http://www.frostwire.com/
– KTORRENT http://ktorrent.org/
– QBITTORRENT http://www.qbittorrent.org/
– VUZE http://www.vuze.com/
– RTORRENT http://libtorrent.rakshasa.no/
– DELUGE http://deluge-torrent.org/
– TRANSMISSION http://www.transmissionbt.com/