Free Azureus Installer is a software that allows you launch the setup of the famous software azureus which allows to:

Azureus Installer Features
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.

This software is not in some way connected to the software azureus but it is a tool that semplifies the findig and the installation of this one.