SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.
Double 2 - Giving you a physical presence when you can’t be there
NZBGet - The most efficient usenet downloader.
Perch - A bird’s eye view of social activity for you AND your competition.
GrabIt - GrabIt is a free application that enables you to easily find and download content from Usenet news...
Nudee - Create a 3D printed "nude selfie" (slightly NSFW)