rTorrent is described as 'Rtorrent is a BitTorrent client for ncurses, using the libtorrent library. The client and library is written in C++ with emphasis on speed and efficiency, while delivering equivalent features to those found in GUI based clients in an ncurses client' and is a popular Torrent Client in the file sharing category. There are more than 50 alternatives to rTorrent for a variety of platforms, including Windows, Linux, Mac, Android and BSD apps. The best rTorrent alternative is qBittorrent, which is both free and Open Source. Other great apps like rTorrent are Transmission, µTorrent, Deluge and aria2.
Vuze (formerly Azureus) is a free BitTorrent client used to transfer files via the BitTorrent protocol. Vuze is written in Java, and uses the Azureus Engine. In addition to bittorrenting, Vuze allows users to view, publish and share original DVD and HD quality video content.
United States
Hong Kong SAR China
libtorrent is a feature complete C++ bittorrent implementation focusing on efficiency and scalability. It runs on embedded devices as well as desktops. It boasts a well documented library interface that is easy to use.
Sweden
EU
Tribler is an application that enables its users to find, enjoy and share content. With content we mean video, audio, pictures, and much more. Tribler has three goals in helping you, the user: find, consume and share content.
NetherlandsEU
Halite (named after the mineral) is a C++ BitTorrent client based on the excellent libtorrent library from Rasterbar Software. The program also relies heavily on the Boost libraries.
IrelandEU
BitLord is a BitTorrent client written in C++ for Microsoft Windows.
Features include the below: Automatic optimization for different connections. Automatic optimization of uploads to achieve the maximum possible download rate. Eliminates the wait for disk allocation.
Norway
Flud is a simple and beautiful BitTorrent client for Android. The power of BitTorrent protocol is now in the palm of your hands. Share files with ease from your phone/tablet. Download files directly to your phone/tablet.
India
Shareaza is the most luxurious and sophisticated file sharing system you'll find. It can harness the power of up to four separate peer-to-peer networks, including EDonkey2000, Gnutella, BitTorrent and Shareaza's native network, Gnutella2.
United States
rqbit is a bittorrent client written entirely in Rust. Has HTTP API and Web UI, and can be used as a library.
CuteTorrent is a lightweight BitTorrent client with a simple, intuitive interface designed to quickly download and share torrent files. At the heart of its core resides the powerful libtorrent BitTorrent library.
Russia