Google Charts - Interactive charts for browsers and mobile devices.
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
AndroidPlot - AndroidPlot is a library for creating dynamic and static charts in your Android app.
OrgWeaver - OrgWeaver is a cloud-based organizational chart software.
FusionCharts - JavaScript charts for web and mobile apps.
jQuery Sparklines - jQuery Sparklines is a jQuery plugin that generates small inline charts directly in the browser using data supplied.