Vuze (formerly Azureus) implements BitTorrent using Java language with features like: Multiple torrent downloads; Upload and download speed limiting per torrent; Advanced seeding rules; Adjustable disk cache; Single router port for all the torrents; UPnP router support where available; Proxy support for tracker and peer communications; Configurable directories; Import torrents from a watch folder; Plug-in support for RSS, IP blocking and remote control.
