Google Charts - Interactive charts for browsers and mobile devices.
OrgWeaver - OrgWeaver is a cloud-based organizational chart software.
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
jqPlot - jqPlot is a plotting and charting plugin for the jQuery javascript framework.
FusionCharts - JavaScript charts for web and mobile apps.
AndroidPlot - AndroidPlot is a library for creating dynamic and static charts in your Android app.