Tristana Writer RSS Editor 

Tristana Writer lets you easily create RSS or Atom feeds instantly by scanning existing web pages or by inputting each RSS or Atom XML element from scratch. You can quickly manually edit code, validate and preview your feed and publish to the Net.
rss atom xml rdf rss editor xml editor rss writer tristana xml writer generate rss create rss publish rss distribute rss branded rss reader

Chrysanth NETime Channel 

Chrysanth NETime Channel enables you to transform Internet Explorer into a powerful RSS news feed reader. You could now view RSS, RDF, and ATOM XML feeds directly inside Internet Explorer as nicely formatted Web pages.
rss reader rss tool rss news rss feed rss news feed rdf reader atom reader rdf atom rdf feed xml news web browser

Omea Reader 

Omea Reader is an easy to use RSS feed reader, newsgroup reader and Web bookmark manager. Its powerful information management features include fast searches, flexible categorization, flagging, annotations, clippings, notifications and much more.
jetbrains omea reader rss atom feed newsgroup web bookmark information environment organize quickly search