RSS Tools

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http://feedity.com/

Feedity RSS Feed Generator - Create RSS Feed, Track Website Changes

Feedity is an online data extraction tool and RSS feed builder, that streamlines communication between content publishers and readers, by means of generating and delivering RSS feeds for Web content.

List of News Aggregators

http://www.newsonfeeds.com/faq/aggregators/ AmphetaDesk was an open source syndicated news aggregator.

Page2RSS - Create an RSS feed for any web page

http://page2rss.com/ You can add a button to your browser's bookmarks toolbar that will create Page2RSS feed for the page you are currently viewing.
http://www.feed43.com/ As shown on illustration on the left, original web page is clipped (1) and converted to RSS format (2) that can be picked up by your favorite news aggregator (3) .

Feed43 : Convert any web page to news feed on the fly

Use this service commercially starting from just $9.99 per month. http://feeddude.com/

FeedDude - Create RSS feeds from any web site

The service allows you to combine RSS feeds with Atom feeds and it also produces the output in both formats. Here is the resulting gadget blogs feed in RSS 2.0 format. http://www.readwriteweb.com/archives/feedblendr_remix_feeds.php

FeedBlendr - Feed Remix Service

Feed Informer: Mix, convert, and republish feeds

http://feed.informer.com/ FeedDemon Developed by NewsGator Technologies, Inc.
http://www.madrasgeek.com/2010/02/alternatives-for-rss-feed-reader.html As I already mentioned, it may sound little old (I agree RSS is the latest trend) but for people out there with some issues, website monitoring service would be a great solution for tracking the changes in a website.

Best 5 Alternatives for RSS Feed Reader