The Federal Government produces an immeasurable amount of data each day. DataMasher helps citizens have a little fun with those data by creating mashups to visualize them in different ways and see how states compare on important issues. Users can combine different data sets in interesting ways and create their own custom rankings of the states.
Number Picture is a web application that enables you to come up with, easily create, and share fresh and interesting tools for visualizing data - that others can then use to visualize their own data. These tools we call templates and they take in anybody else's data, shake it around a bit, add some sugar and spice, and then output it structured in a certain way in the form of a picture that hopefully is nice to look at, keeps the viewer engaged, and provides a refreshing change to all the millions and billions of bar graphs and pie charts that we see in our everyday lives. We provide you with the tools to easily create your own templates and it is our wish to make it as easy as possible for you to do this. All templates that are created are free for anyone to use and all Number Pictures made are freely available for anybody to view. If privacy is an issue for you: you can also sign up for a premium membership and keep your Number Pictures private.
Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for visualization, Protovis defines marks through dynamic properties that encode data, allowing inheritance, scales and layouts to simplify construction. Protovis is free and open-source, provided under the BSD License. It uses JavaScript and SVG for web-native visualizations; no plugin required (though you will need a modern web browser)! Although programming experience is helpful, Protovis is mostly declarative and designed to be learned by example.