Newsflash Plus is described as 'powerful Usenet binary reader which provides lots of advanced features like integration with archivers and media players, automatic par2 archives repair, scripting via the embedded Python interpreter and much more' and is an app in the News & Books category. There are more than 25 alternatives to Newsflash Plus for a variety of platforms, including Windows, Linux, Mac, BSD and Android. The best alternative is SABnzbd, which is both free and Open Source. Other great apps like Newsflash Plus are nzb360 (Freemium), GrabIt (Freemium), HelloNzb (Free, Open Source) and NewsBin (Paid).
alt.binz is a powerful binary newsreader, for downloading and managing articles from Usenet. Checking the downloaded files, auto unpausing missing PAR2 blocks, repairing, and finally unraring them, are just a few options in this utility.