BitTornado is a tool for distributing files. It's based on the BitTorrent
tool but has many enhancement over it (it was also knows as SHADOWS 
experimental Bittorrent client):
- multitracker support - to have redundant tracker
- preferences menu for GUI client
- webseed support to have better control of download
- graphical torrent file maker
- experimental IPv6 support

WWW: http://www.bittornado.com