readxml.com is run by a small team of XML, PHP, AJAX lovers. They gather anything they can on the XML word. All the pages on the sites are free and all the content can be changed and updated following visitors reviews.

Free HTML Javascript tool for integrating RSS feeds into your website. A XML RSS free reader enables you to increase functionality to your website. Search engines look for fresh content and an up to date website is more likely to climb search engine rankings and get more visitors. The page is automatically updated on-the-fly, easily spidered by search engine robots, and easy to implement.
What makes readXML.com feed reader stand out from the crowd?
Simple readXML’s script is focused on the main task – reading and organizing RSS feeds and offering seamless user experience. It is also customizable, you can simply tailor it to your needs. Check for an example on : http://www.topbazar.net/whatiswifi.php all the feeds under the heading : “wifi news” are genereated by the readXML feed reader script.

List of fully tested : Web-based RSS aggregators