Please note: Most of the files that are exchanged on P2P file sharing networks are usually copyrighted. This doesn't mean you should avoid using file sharing altogether, but you should be careful what you download and share using your P2P program; using P2P technology isn't illegal but copyright infringement is.
The Pirate Bay is probably the most well known BitTorrent website on the web today. This Swedish-based site has been in existence since 2003 and has survived an onslaught of legal threats to try and shut it down. With over 2.8 million registered users and in excess of 1 million active torrents, The Pirate Bay is the largest file sharing database on the Internet.
MiniNova is another popular BitTorrent site that has seen over 5 billion downloads since it was first launched in 2005. This large P2P file sharing website was born after the first reincarnation of SuprNova which was shutdown in 2004. It has a good search engine that has advanced search options, or alternatively you can browse through the different categories; MiniNova has over 35 music genres in its database.
A BitTorrent indexing site which moved its servers from the United States to Canada after it was temporarily shutdown in January 2007. Now IsoHunt is one of the largest file sharing websites that regularly indexes over 1 million torrents. The search feature on IsoHunt is basic and doesn't have advanced search facilities like MiniNova but it's simple layout makes it easy to use.
BitTorrent.am was launched in 2007 and has quickly risen through the ranks to become one of the most popular P2P file sharing websites. There are over 600,000 torrents indexed on BitTorrent.am with the music category boasting over 45 different genres.
Torrent Portal has an excellent user-friendly interface with good advanced search facilities. A search cloud is also provided so you can see what other users have searched for. Torrent Portal's BitTorrent database indexes over 1.4 million torrents which makes it popular with downloaders.