"Cacoo is a user friendly online drawing tool that allows you to create a variety of diagrams such as site maps, wire frames, UML and network charts.
Cacoo can be used free of charge."
Site with fascinating and beautiful statistical visualizations.
"Gapminder Foundation now fills the Trendalyzer with statistical content and use the resulting animations to fulfill our aim by:
* Making time series freely available in Gapminder World and Gapminder Countries.
* Producing videos, Flash presentations and PDF charts showing major global development trends with animated statistics and colorful graphics.
All with the intention of being a "fact tank" that promotes a fact based world view."