What are some alternatives?
When comparing Soulseek and qBittorrent, you can also consider the following products
eMule - eMule is a free peer-to-peer file sharing application for Microsoft Windows.
Transmission - Transmission has the features you expect in a BitTorrent client: encryption, a web-based interface...
aMule - aMule - the all-platform P2P client!
Deluge - Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.
Shareaza - Shareaza is the most luxurious and sophisticated file sharing system you'll find.
Vuze - Vuze is a free BitTorrent client used to transfer files via the BitTorrent protocol.