Highcharts

Highcharts is a charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application. Highcharts currently supports line, spline, area, areaspline, column, bar, pie and scatter chart types.

It works in all modern browsers including the iPhone/iPad and Internet Explorer from version 6. Standard browsers use SVG for the graphics rendering. In Internet Explorer graphics are drawn using VML.