RSS and Atom reader
To manually install Vienna with Homebrew, use the following command:
Current version of Vienna.app: 3.9.5
ARM: https://downloads.sourceforge.net/vienna-rss/v_3.9.5/Vienna3.9.5.tgz
Intel: https://downloads.sourceforge.net/vienna-rss/v_3.9.5/Vienna3.9.5.tgz
Website: https://www.vienna-rss.com/