PUBLIC MARKS with tags graphs & javascript

Grafico is a javascript charting library based on Raphaël and Prototype.js.

PlotKit is a Chart and Graph Plotting Library for Javascript. It has support for HTML Canvas and also SVG via Adobe SVG Viewer and native browser support. PlotKit is fully documented and there is a quick tutorial to get you started. PlotKit is a complete rewrite of CanvasGraph. It is better structured and supported.

Beautiful graphs in JavaScript

JSViz makes it easy to create dynamic 2D views of information. Practical applications include network graphs, navigation, and other dynamic layouts.