Azureus 2.0.4.2

Azureus is another open source Bittorrent client but is definitely not just another BT client. The wealth of options offered by Azureus and the degree to which you may customize your download make this client unique and priceless for any BT user.
Available in 19 languages, Azureus, a java BT client, offers multiple torrent downloads, queuing/priority systems on torrents and individual files within a torrent, start/stop seeding options and instant access to numerous pieces of information about your torrents.

Azureus is by far the best available client for the Bittorrent network.