It is a service that helps you monitor web sites that do not publish feeds. It will check any web page for updates and deliver them to your favorite RSS aggregator.
tagsy is a social bookmarks and feed management service, allowing you to save, categorize and browse information based on its popularity and relevance.
Commentful is a service that watches comments/follow-ups on Blog posts, Digg submissions, Flickr pictures, and many other types of content. When ever there is an update, such as a new follow-up or comment, Commentful notifies you instantly.
simpy
