Vuze (formerly Azureus) is a java bittorrent client offering multiple torrent downloads, queuing/priority systems (on torrents and files), start/stop seeding options and instant access to numerous pieces of information about your torrents.
Vuze now features an embedded tracker easily set up and ready to use.
Please note that it requires the latest Java Runtime Environment to work.
Licence :- Open Source
Homepage :- http://azureus.sourceforge.net/