Background

More information about about RSSCloud is available at http://rsscloud.org/. It adds the <cloud> element to your RSS2 feed that tells others how to register for update notifications. The plugin also takes care of processing notification requests and sending them out.

My RSSCloud for WordPress post goes through the specifics of what the plugin does.

Download

The plugin is available for download http://wordpress.org/extend/plugins/rsscloud/.