1) Twine
http://www.twine.com/
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2) Kosmix
http://www.kosmix.com/
This search tool acts like a ‘mash up’ site with which you can have selected text inserted on your page and re-arrange your page to fit your needs.
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3) Wolfram Alpha
http://www.wolframalpha.com/index.html
“You enter your question or calculation, and Wolfram|Alpha uses its built-in algorithms and growing collection of data to compute the answer.”
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5) Cuil
http://www.cuil.com/
Cuil searches for and ranks pages based on their content and relevance.
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6) Scoopler
http://www.scoopler.com/
“We aggregate and organize content being shared on the internet as it happens, like eye-witness reports of breaking news, photos and videos from big events, and links to the hottest memes of the day.’
7) OneRiot
http://www.oneriot.com/
8) Tweetmeme
http://tweetmeme.com/
Both ‘OneRiot’ and ‘Tweetmeme” launched new or updated real-time searches recently.