Vienna is a freeware and Open-Source RSS/Atom newsreader with article storage and management via a SQLite database, written in Objective-C and Cocoa, for the OS X operating system. It provides features comparable to commercial newsreaders, but both it and the source code are free and available for download.
FEATURES PEOPLE LIKE MOST
- Subscribe to Atom/RSS news feeds and podcasts.
- Simple and intuitive user interface with customisable toolbar.
- Built-in tabbed browser.
- Global search of all retrieved articles.
- Automatic detection of newsfeeds on Web pages.
Just try it! Explore the secret to optimizing your Mac with very simple and intuitive steps.

