XML and JSP Tag Library interface, for extremely easy integration with web projects SOAP and XML Web Services interface for graph creation Very comprehensive API and Tag documentation with dozens of examples Embed JavaScript in your tags to easily create powerful rollovers Full 3D engine with adjustable light source, produces the most realistic graphs on the market Output to PNG, SVG, Macromedia Flash, PDF or java.awt.Image for use in Applets Graph Dates, Currencies, Percentages, Numbers and Discrete data out of the box, easily extended for total control over the axes Mix Bars, Lines, Candles, Bubbles, all on the same graph Add text, lines or custom markers anywhere on the graph, including axes Use up to four axes on the one graph, including logarithmic axes Plot mathematical functions, data samples and spline curves fitted to data, all on the same graph. It's fast - plot several 3D graphs a second to PDF or SVG

• Python language data structures for graphs, digraphs, and multigraphs. • Many standard graph algorithms • Network structure and analysis measures • Generators for classic graphs, random graphs, and synthetic networks • Nodes can be "anything" (e.g. text, images, XML records) • Edges can hold arbitrary data (e.g. weights, time-series) • Open source BSD license • Well tested: more than 1800 unit tests, >90% code coverage • Additional benefits from Python: fast prototyping, easy to teach, multi-platform