FrostWire - Easy to use BitTorrent Client and YouTube Downloader in one, with built-in search and music library.
dottorrent-gui - An advanced GUI torrent file creator with batch functionality, powered by PyQt and dottorrent.
µTorrent - Looking for a torrent site to download movies, music and more? Choose from top torrent sites like The Pirate Bay, RARBG, 1337X, and dozens more. (October 2019)
Torrent File Editor - Qt based GUI tool designed to create and edit .torrent files.
Deluge - Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.
JSTorrent - Torrent client for Google Chrome and Chromebooks