What are some alternatives?
When comparing Bitford and qBittorrent, you can also consider the following products
PicoTorrent - PicoTorrent is designed to be a tiny, easy-to-use BitTorrent client with low memory usage.
Transmission - Transmission has the features you expect in a BitTorrent client: encryption, a web-based interface...
dottorrent-gui - An advanced GUI torrent file creator with batch functionality, powered by PyQt and dottorrent.
Deluge - Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.
LibreTorrent - LibreTorrent is a Free as in Freedom torrent client for Android 4 and later, based on libtorrent.
BitTorrent - BitTorrent is a peer-to-peer program developed by Bram Cohen and BitTorrent, Inc.