Tixati is a free and easy to use bittorrent client featuring detailed views of all seed, peer, and file transfer properties. Also included are powerful bandwidth charting and throttling capabilities, and a full DHT implemenation.
Fopnu is a full-featured, decentralized, P2P file-sharing app. It has absolutely NO spyware or adware, and is easy to install and use. Files can be quickly shared in the library, and you can search the library of many other users with one click.