ActiveFeeds
Offers a customized private-labeled version RSS browser toolbar.
Feed Scout
Integrates with Internet Explorer to enable the direct viewing of RSS, Atom, and RDF feeds on the browser.
IntraVNews
Feed reader and RSS aggregator that integrates with MS Outlook.
News Crawler
RSS and Atom reader, news aggregator, browser, and blog client for Windows. Collects news from a variety of channels and displays them in several views.
NewsInterceptor
Application facilitates RSS feed searching and viewing. Supports all known syndication formats as well as podcasting.
Newsplorer
Syndication, content aggregation, and bookmarking application. Offers unlimited channels and categories and features a skinnable interface.
RSS Bandit
Desktop based RSS and Atom aggregator developed with the .NET framework.