Sonarr - Sonarr (formerly NzbDrone) is a PVR for Usenet and BitTorrent users.
Lidarr - Lidarr is a music collection manager for downloading and organizing music libraries.
FlexGet - FlexGet is a multipurpose automation tool for all of your media
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.
Nefarious - nefarious is a web application that automatically downloads Movies and TV Shows.
music2pc - music2pc is a free program to find and download MP3 songs from the Internet.