Exhibit is an Open Source Software with which you can Create Data Rich Interactive Web Pages with ease. Exhibit lets you easily create web pages with advanced text search and filtering functionalities, with interactive maps, timelines, and other visualizations.
Exhibit is a three-tier web application framework written in Javascript which makes it easier to show number of records on maps, scatter plots, etc in a beautiful interactive way.
Exhibit can be used as a web service like Google Maps without installing any software.
Website: http://www.simile-widgets.org/exhibit/
Source Code: http://code.google.com/p/simile-widgets/source/browse/
I really enjoyed this post. I will definitely check back later for more informative posts from you. Thanks!