Google Charts - Interactive charts for browsers and mobile devices.
Teechart - TeeChart is a charting library for programmers.
ZoomCharts - Creating meaningful and aesthetically pleasing data visualizations and incorporating them into your projects is easy with the tools offered by ZoomCharts.
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
jQuery Sparklines - jQuery Sparklines is a jQuery plugin that generates small inline charts directly in the browser using data supplied.
OrgWeaver - OrgWeaver is a cloud-based organizational chart software.