g9 is a javascript library for creating automatically interactive graphics. With g9, interactive visualization is as easy as visualization that isn't. Just write a function which draws shapes based on data, and g9 will automatically figure out how to manipulate that data when you drag the shapes around.
GraphicsJS is a lightweight JavaScript graphics library with the intuitive API, based on SVG/VML technology.
mo.js is a powerful motion graphics library for the web.
Features:
ECharts is a comprehensive charting library offering a painless way of adding interactive charts to your products.
ECharts currently supports line, column, scatter, pie, radar, candlestick, chord, gauge, funnel, map and force-directed chart types, many of these can be combined in one chart.
MetricsGraphics.js is a library optimized for visualizing and laying out time-series data. It provides a simple way to produce common types of graphics in a principled, consistent and responsive way.
The library currently supports line charts, scatterplots and histograms as well as features like rug plots and basic linear regression.