CanvasJS - HTML5 JavaScript, jQuery, Angular, React Charts for Data Visualization
Google Charts - Interactive charts for browsers and mobile devices.
liveGap Charts - Free online charts. Easily create animated charts from your data.save your charts as image or HTML.
ZingChart - ZingChart is a fast, modern, powerful JavaScript charting library for building animated, interactive charts and graphs. Bring on the big data!
ChartBlocks - Import data, design and share a chart in minutes. Or seconds via the API.
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application