Lidarr - Lidarr is a music collection manager for downloading and organizing music libraries.
BitTorrent - BitTorrent is a peer-to-peer program developed by Bram Cohen and BitTorrent, Inc.
Headphones - Automatic music downloader for SABnzbd. Headphones is an automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole.
Soulseek - Soulseek® is a unique ad-free, spyware free, and just plain free file sharing application.
Lacey - Free Music & Video Downloader
Shareaza - Shareaza is the most luxurious and sophisticated file sharing system you'll find.