SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.
Radarr - A fork of Sonarr designed to work with Movies.
NZBGet - The most efficient usenet downloader.
FlexGet - FlexGet is a multipurpose automation tool for all of your media
GrabIt - GrabIt is a free application that enables you to easily find and download content from Usenet news...
Sick Beard - Sick Beard is a PVR for newsgroup users (with limited torrent support).