KTorrent library for C++ / Qt 4 / KDE Platform

 The KTorrent library is a C++ / Qt 4 / KDE Platform based implementation of
 the BitTorrent protocol (mostly client side).
 .
 The library supports connectivity to HTTP and UDP trackers, mainline DHT and
 the new generation Micro Transport Protocol (uTP). In addition, it provides
 many powerful BitTorrent network features including but not limited to torrent
 downloading and seeding, torrent creation and downloaded data verification,
 magnet links, advanced peer management, IP blocking lists.