What are some alternatives?
When comparing LibreTorrent and qBittorrent, you can also consider the following products
Transmission - Transmission has the features you expect in a BitTorrent client: encryption, a web-based interface...
PicoTorrent - PicoTorrent is designed to be a tiny, easy-to-use BitTorrent client with low memory usage.
Deluge - Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.
Tixati - Tixati is a peer-to-peer file sharing program that uses the popular BitTorrent protocol.
BitTorrent - BitTorrent is a peer-to-peer program developed by Bram Cohen and BitTorrent, Inc.
Vuze - Vuze is a free BitTorrent client used to transfer files via the BitTorrent protocol.