MonoTorrent

A cross platform open source .NET Framework based BitTorrent Client written in C# It is a complete BitTorrent suite of libraries which can be embedded in an application. The suite contains: Client Library - Allows the uploading/downloading of torrents. Tracker Library - Allows the hosting of .torrents. Torrent Creator - Allows the creation and editing of .torrent files.
Category	Network Clients
License	GNU Library or Lesser General Public License (LGPL)
HomePage	http://monotorrent.blogspot.com/