Azureus is a JavaBitTorrent client. Current supported operating systems are Mac OS X, Windows, Linux and Unix. Azureus allows the user to download multiple files in a single GUI interface. The program also allows detailed options, information and configuration.
While downloading a torrent, you can see:
which files you've downloaded
what percentage of each file and piece you still need, the piece number and availability
who you are downloading from, their download and upload speeds, their IP, their port, their client and more options if you are Super-Seeding
Time remaining, download and upload speed, time remaining, file and tracker information.
Azureus allows users to specify maximum upload and download speeds and is configurable like many other clients.