Lidarr - Lidarr is a music collection manager for downloading and organizing music libraries.
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.
Seesu.me - Seesu is a small mashup application which combines last.fm catalog, vk.
MP3base - MP3box - free mp3 search and download, stream music online for free, play tons of artists, albums and songs without registration.
WireShare - WireShare is a fork of the original LimeWire open source project.
music2pc - music2pc is a free program to find and download MP3 songs from the Internet.