FeedOnSite – Tool that helps websites to publish headlines from RSS feeds as normal HTML on their website.
Findory – Personalized news and weblog reader. It learns from the reading patterns and discovers similar RSS feeds.
Google Reader – Free feed reader stores manual or imported reading lists.
Gregarius – RSS/RDF/Atom feed aggregator, designed to run on a web server, allowing access to feeds from a web browser.
Gritwire – A flash-based feed reader that can organize feeds into folders, read and save content, or rate feeds and feed items.
Journster – Details on this online RSS/ATOM aggregator.
KickRSS – A service that takes multiple RSS or Atom feeds, combines them, and displays them as a single RSS feed or a webpage at an easy to remember URL.
Lightstreamer Push RSS Reader – An HTML RSS Reader, based on Lightstreamer technology, that does not require to download applets or application. It streams new headlines to the browser without refreshing the page.
LiteFeeds – Web-based RSS reader and also a custom mobile RSS reader for any Java Phone/SmartPhone, Blackberry, Palm or PocketPC which synchronizes with online subscriptions.
My Yahoo – My Yahoo is a customizable web page with news, stock quotes, weather, and many other features.
Netvibes – Personal news aggregator with RSS and Atom support. Comes with a set of predefined news feeds.
News Scrollers – Service that scrolls data from any RSS feed on a webpage.
News is Free – Directory of feeds also allows for personalized news pages.
NewsBox – Offers access to multiple news sources in German and English.