When comparing gRaphaël vs ZingChart, the Slant community recommends gRaphaël for most people. In the question“What are the best client side JavaScript charting libraries?” gRaphaël is ranked 7th while ZingChart is ranked 14th. The most important reason people chose gRaphaël is:
Because Raphael supports rendering VML + SVG, it is one of the few drawing libraries that is backwards compatible with older browsers that do not support canvas. gRaphaël supports IE 6+, Firefox 3.0+, Safari 3.0+, and Opera 9.5+.
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Pros
Pro Works with older browsers
Because Raphael supports rendering VML + SVG, it is one of the few drawing libraries that is backwards compatible with older browsers that do not support canvas. gRaphaël supports IE 6+, Firefox 3.0+, Safari 3.0+, and Opera 9.5+.
Pro Tons of styling options
You can get extremely granular with the styling (which is very CSS-like). You can customize pretty much any aspect of a chart, so they can match your application or website perfectly.
Pro Robust API
The advantage of using a JavaScript charting library is that you can make interactive charts. The API here lets you make the most of this advantage.
Pro Easy to try
ZingChart hosts the full version of the library for evaluation on their CDN for you to try in just a matter of minutes.
Pro Angular wrapper
Pro Free branded version
There is a free version available, however it's branded. Licenses start at $249.
Pro jQuery wrapper
ZingChart has a well-built and excellently documented jQuery wrapper, making it easier to integrate ZingChart into your jQuery code.