Freeware - Peer networks

BitTorrent

The most popular torrent client.

Shareaza

Freeware

Program for searching and downloading files through a network of eDonkey2000, BitTorrent, Gnutella and Gnutella2

μTorrent

Popular client of network BitTorrent. Once was easy and free.
Now is and has become noticeably heavier.
is traditionally stable.
Someone includes it in the list of programs, mandatory for deletion, but still many prefer it.

qBitTorrent

Freeware

Small and functional BitTorrent client for Windows. By itself, the torrent is not a complicated program, not to overload would be advertising and unnecessary. What did the authors of the program.