Chart API
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xCharts is an open JavaScript charting library that is built on top of D3 . It works with using HTML-CSS + SVG to create good-looking and custom-data-driven charts with ease. There is support for 4 chart types: bar, cumulative, line and line-dotted where the colors, text,dimensions can all be defined via CSS.
JavaScript Charts With SVG – xCharts
13 Chart and Graph plotting javascript plugins
There are more and more Javascript chart and graph plotting solutions are being released and available for free online. I work on a complicated graph for a website before, we used highchart as the solution, during that time, there isn't a lot of plugins to choose from, but now, we can easily find many very capable charting libraries. Personally, the rise of this kind of plugins are due to: Flash used to be the best solution, but everyone is moving on from there. Modern browsers and powerful computing make it possible to render live data easily. Maturity of different technologies in drawing vector: VML, SVG and Canvas.
Introduction Flotr2 is a library for drawing HTML5 charts and graphs. It is a branch of flotr which removes the Prototype dependency and includes many improvements.
flotr2
Peity (sounds like deity) is a simple jQuery plugin that converts an element's content into a simple <canvas> mini pie 2/5 line 5,3,9,6,5,9,7,3,5,2 or bar chart 5,3,9,6,5,9,7,3,5,2 and is compatible with any browser that supports <canvas> : Chrome, Firefox, IE9+, Opera, Safari. Download version 1.2.0 Uncompressed 6.4Kb
Peity • progressive <canvas> pie charts