KallOut

Website/Download: http://www.kallout.com/
License: Freeware
OS: Windows
Latest Version: BETA
Publisher's description:
The new way to search using only your mouse
Select text on any web page or document and KallOut does the rest.

*Works over any web page, Microsoft Office doc or Adobe PDF new
*Stay focused and search much faster with results in context
*Search smarter with KallOut's automatic BestGuess™ suggestions.