The Net Data Directory collects and shares information on different sources of data about the Internet. For more about the project, see our about page. To get started, use the search box below, or check out our quick start guide.
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.