Wyzo

wyzo is a media browser with built-in bittorrent support.

deluge

deluge Torrent is a more full-featured yet still lightweight bittorrent client. It has the ability to automatically resume partial downloads and background to the system tray.

qBittorrent

qBittorrent is a QT bittorrent client available for linux (likely portable to most other desktops as well). Written by Christophe Dumez.

tonidoplug

Tonidoplug is a tiny, low-power, low-cost home server and NAS device powered by Tonido software that allows you to access your apps, files, music and media from anywhere.

Folx

Folx is a torrent client and download manager for Mac OS X. The Free version of Folx has all the basic functionality of the torrent client, which allows users to download and create torrent files. Folx PRO (available for a small fee) features the possibility to search for torrent files just from Folx interface. So there is no need to browse through multiple torrent trackers searching for particular file.

Miro

Miro is a free application for channels of internet video (also known as video podcasts and video rss). Miro is designed to be easy to use and to give you an elegant fullscreen viewing experience.

MooPolice

MooPolice is a windows bittorrent client with a unique look.

LeechCraft

LeechCraft LeechCraft is a free open source cross-platform extensible software, which primary goal is support of file sharing networks and protocols like HTTP and FTP

Free download manager

FDM is a powerful, easy-to-use and absolutely free download accelerator and manager. Moreover, FDM is 100% safe, open-source software distributed under GPL License.

btg

btg is a unix bittorrent client which is run as a daemon. It has multiple user interfaces which connects to the daemon. One GUI (Gtkmm), one terminal interface (ncurses) and one web interface (accessable through a web browser). Written by Michael Wojciechowski and Johan Strom.

electric sheep

electric sheep is a screensaver which collectively generates animations and lets the users vote which one to live on.

Tvitty

tvitty is a bittorrent client for Vista Media Center, which allows searching and downloading of torrents directly on your TV.

hrktorrent

hrktorrent hrktorrent is a light console torrent client written in C++.

FatRat

FatRat is an open source download manager for Linux/Unix systems written in C++ with the help of the Trolltech Qt 4 library. It's simple to use and install.

halite BitTorrent

Halite is a windows bittorrent client controllabel via an xml-rpc interface.

Arctic Torrent

Arctic Torrent is a light-weight bittorrent client for windows. Written by Cory Nelson.

bubba

Bubba is a mini-sized server, designed to fit your home better than an always running PC. Boasting Torrent downloader, DAAP streaming, Web, E-mail, printer and FTP server etc.

tvblob

The BLOBbox represents the ability to harness all of the content available on the web, without any filtering or pre-selection by a third party just like surfing the web.

This means that anyone will have the ability to reach viewers via the Internet directly on TV, without them having to connect a PC.

Flush

Flush is a GTK-based BitTorrent client.

Lince

Lince is a bittorrent client using libtorrent to handle bittorrent protocol and gtkmm for the interface, it has been designed to be a light and full featured client.

Linkage

Linkage is a gtkmm client that aims to be middle weight.

Bitfox

Bitfox is a firefox plugin integrating bittorrent downloads in firefox.

BitSlug

BitSlug is a MacOSX cocoa client.

DelCo

DelCo is a research project at Tampere university of technology, finland.

Torrent2Exe

Torrent2Exe Torrent2exe is a small BitTorrent client. Its basic idea is to let users download a custom-built EXE program with the torrent file integrated into it.

ZyXEL NSA-220

ZyXEL NSA220 makes it easy to store, protect and share files between users on your home network. The built-in DLNA server works with many set top boxes to allow you to play back music, watch video files, or view photos on your home theater system, while the built in download manager can automatically download video and audio podcasts as well as allow you to download bittorrent files without needing to leave your computer on.