searchCrystal
A search engine for search engines -
searchCrystal lets you search and compare multiple engines in one place.
It is a search visualization tool that enables you to compare, remix and share results from the best web, image, video, blog, tagging, news engines, Flickr images or RSS feeds.
You can embed searchCrystal as a Widget on your site or blog to share personalized crystals, or use it to find out what is popular on Wikipedia or use the Search Analytics Toolbox in your browser as a powerful competitive intelligence tool.
A searchCrystal application is also available in Facebook. In beta stage so you can also leave feedback about this site.