Anonymous
Because sometimes you can't be too cautious.

BitTorrent
BitTorrent is a protocol designed for transferring files. Users connect to a tracker via torrent files that are found on bittorrent link sites.

Direct Connect
File sharing applications running on the Direct Connect network. Check Hublist.org for hubs to connect to.

Edonkey
File sharing applications that run on the Edonkey network. Get your eDonkey2000 links here.

Fast Track
File sharing applications running on the Fast Track Network.

Freenet
File sharing applications that run on the Freenet network.

G2 Network
File sharing applications that run on the newly developed G2 network.

Gnutella
File sharing applications based on Gnutella that can connect to the Gnutella network.

IRC
Internet Relay Chat clients used to transfer files.

MP2P Network
File sharing applications that run on the Manolito Peer 2 Peer Network.

Multi-Network
File sharing applications that run on more than 1 network.

OpenNap
File sharing applications that connect to the OpenNap network, a clone of the original Napster network.

Other Networks
File Sharing Applications that run on networks that have not been catagorized.

Paid Service
File sharing applications that require payment to function or remove third party advertisement.

Web Based Services
File sharing applications that work on a centralized, web-based interface.