NewsGator has finally released NetNewsWire 2.1, their first version of the popular RSS reader they acquired from Ranchero Software.

The Eddy award winning NetNewsWire has a familiar three-paned interface – similar to Apple Mail – and can fetch and display news from thousands of different websites and weblogs, making it quick and easy to keep up with the latest news. You can also download podcasts and audio files and have them show up on your portable audio device. In addition, NetNewsWire now synchronizes with NewsGator Online and the rest of the NewsGator RSS Suite.

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[*] Synchronized reading with browser, mobile, and other NewsGator RSS products
[*] Many performance improvements – saving to disk, subscription list changes, and more
[*] Sort subscriptions by attention – NetNewsWire can tell which feeds are more important to you
[*] Emailing, printing, and posting options
[*] Familiar three-paned interface
[*] Tabbed browser to open Web pages in the same window
[*] Automatic download of podcasts and transfer to iTunes
[*] Smart lists to aggregate news from your feeds based on criteria
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More information and downloads are available here.