Azureus is a Java based BitTorrent client that offers 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.

some key features of “Azureus”:

· Multiple torrent downloads
· Upload and download speed limiting, both globally and per torrent
· Advanced seeding rules
· Adjustable disk cache
· Only uses one port for all the torrents
· UPnP sets the forward on your router
· Can use a proxy, for both tracker and peer communications
· Fast resume
· Can set a default download dir and move completed files
· Can import torrents automatically from a set dir
· Highly customizable interface
· IRC plugin included for quick help
· Embedded tracker, host your own torrents, automate your shares (periodic scanning of a dir)…
· Distributed Hash Table: host on it a completely decentralised torrent and/or benefit from it when the tracker is offline.