Feedreader is a lightweight open-source aggregator that supports all major RSS/ATOM formats.

Features:

* Supports all major syndication formats: RSS 0.9, 0.91, 0.92, 1.00, 2.0 plus Dublin core and Slashback extensions
* Pre-configured with hundred of quality feeds from leading syndicators such as NewsIsFree and Moreover
* Alerts about incoming feeds on taskbar
* Caches headlines for offline viewing
* Supports proxies

Newzie is more than a simple news aggregator. It offers different ways of monitoring things; it presents retrieved content in different shapes; it enables you to reach desired content fast. And all these interactions happen thru an exclusive user interface that you haven't tasted yet in any other software application.

RSS Bandit is an Open source desktop news aggregator written in C#. Instances of the program can be synchronized using WebDAV, FTP or a file share. Single-click automatic discovery of RSS feeds. Ability to post comments to weblogs. Support for tabbed browsing using embedded Web browser. Support for password protected feeds using SSL & HTTP Authentication. Look of news items displayed in the feed pane can be customized using XSLT. Ability to flag items for followup. Ability to track related news items and displaying them in a threaded view akin to a mail or news reader.

FeedFusion is the next generation Rss Reader designed to take advantage of the newest technologies available to make your RSS reading experience more pleasant.

From its many features, the few that make it unique are:

Integrates in Windows Vista
Built using Vista specific technologies like .NEt 3.0 and WPF, FeedFusion offers the most enjoyable experience on this new operating system. Other users can stilll benefit from its full functionality, but will lake its great visual appearance.

RSS Captor is an easy-to-use RSS client that allows you to receive and manage news feeds in a searchable database. It can check your feeds automatically and notify via sound when new items arrive. Watches, a special filtration mechanism, can filter messages you are interested in and put them into special folders. Newsbins allow to store your favorite message. To simply read full versions of articles you can use user-friendly tabbed web browser.