The following is a general comparison of the best open-source and free of adware BitTorrent clients, which are computer programs designed for peer-to-peer (P2P) file sharing using the BitTorrent protocol.
|BitTorrent client||Initial release||Compatibility||Features||Programming language|
|qBittorrent||May 16, 2006||Mac, Windows, Linux, PortableApps.com||Ad-free, Magnet URI, Preload Magnet metadata, Super seeding, HTTP Web seeding, Built-in RSS reader, Command line interface, Integrated Search, Lightweight, Multiple languages, Torrent search, Speed charts||C++ (Qt), Python|
|Transmission||September 15, 2005||Mac, Windows, Linux, PortableApps.com||Ad-free, Magnet URI, Preload Magnet metadata, HTTP Web seeding, Command Line support, Lightweight||C, Objective-C|
|Deluge||September 25, 2006||Mac, Windows, Linux||Ad-free, Magnet URI, HTTP Web seeding, Extensible by Plugins/Extensions||Python, C++|