Transmission is a fast, easy, and free multi-platform BitTorrent client. - Read more

LibTorrent is a BitTorrent library written in C++ for *nix, with a focus on high performance and good code. The library differentiates itself from other implementations by transfering directly from file pages to the network stack. On high-bandwidth connections it is able to seed at 3 times the speed of the official client. The client uses ncurses and is ideal for use with screen or dtach. It supports saving of sessions and allows the user to add and remove torrents. - Read more

QTorrent is a BitTorrent client that uses the Qt widget-set. It allows you to have several torrents open at the same time from within the same program window, offering you easy overview, access and management through a list-mode. Every torrent also has it's own page where you can control things like upload speed and upload slots. A page that shows some statistics of all open torrents is also available. - Read more

qBittorrent is a free BitTorrent P2P client coded in C++ / Qt4, developed by a university student (Christophe Dumez) from France. It is based on Libtorrent (Arvid Norbergs). This project is built with the Qt toolkit and was created in March 2006. qBittorrent is Free Software that aims to have a small foot-print, to be powerful, intuitive and visually attractive. - Read more

Bitflu is a free BitTorrent client. The client was written in Perl and is designed to run as a daemon (7x24h , like mlnet) on Linux, *BSD and maybe even OSX ... - Read more