Minitube - Minitube is a YouTube desktop application.
qBittorrent - Lightweight and open source torrent client that runs on all major platforms.
YouView - Browse, watch, convert, and download YouTube videos on your Mac faster, because YouView uses the core technologies of Mac OS X to play instead of Flash allowing video to run smoother on systems with lower specs.
Deluge - Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.
Tubbler - YouTube Movie Player for Mac OS X.
BitTorrent - BitTorrent is a peer-to-peer program developed by Bram Cohen and BitTorrent, Inc.