nukeevangelist writes:  

NukeBiTTorrent-Module: you can host on PHP Nuke a fully functional Bit Torrent archive with the NukeTorrent - a SourceForgeproject

NukeBittorrent ver. 0.80 is out. PHP Nuke BitTorrent Module is a PHP Nuke Module that allow webmasters to host on their portals a fully functional Bit Torrent archive. Torrent upload, automatic scrape, comments, rates, privacy rules, internal tracker and much more!

get more out of it -
NukeTorrent - the SourceForgeSite
find out more about the technology - travel over to Bittorrent.com
get more infos in the Introduction into the BiTTorrent-technology