You can create and customize your website's RSS or Atom feeds by generating digests with these online controls. Enter your URL(s) into Feed Scraper, work the controls, and...voila! Free and fee versions.
Create a custom search engine (or engines) of your own. Check out the article on how to build a truly useful search engine - one that might be more useful for your purposes than using the standard Google search - for any given occasion or objective.