Interactive cross-platform JavaScript HTML5 Charts, Maps, Stocks and Gantts for your project | AnyChart

Open source D3.js-based charting and visualization library

Plotly's scientific JavaScript graphing library for web-applications and dashboards. Examples of how to make line plots, scatter plots, area charts, bar charts, error bars, box plots, histograms, heatmaps, subplots, multiple-axes, polar charts and bubble charts.