SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.
TabNotes - Markdown notepad in your new tab
NZBGet - The most efficient usenet downloader.
Typora - A minimal Markdown reading & writing app.
GrabIt - GrabIt is a free application that enables you to easily find and download content from Usenet news...
Markdown New Tab - Write notes in Markdown directly in the 'New Tab' page