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There are a number of different JavaScript based toolkits, in addition to the Google Visualization and Charts APIs. I find Protovis (which SVG based) to be an excellent middle-ground between toolkits that are too low-level that they're laborous and painful to get going, and too high-level that every chart looks too similar. The JIT is a Canvas-based ...


You could also use Google Chart Tools.


Maybe this is what you need? What is the Google Chart API? The Google Chart API lets you dynamically generate charts with a URL string. You can embed these charts on your web page, or download the image for local or offline use.


If you mean visitors flow report (aka. page transitions report): Google Analytics (closed-source + free) (more info): Piwik (open-source + free): You might also be interested in looking for Sankey diagrams, e.g. using D3.js (open-source + free): http://bost.ocks.org/mike/sankey/


Manipulate[ RegionPlot3D[ 16 <= x^2 + y^2 + z^2 <= 25, {y, -5, 5}, {z, -5, 5}, {x, -5, xs}, PlotRange -> {{-5, 5}, {-5, 5}, {-5, 5}}, AxesLabel -> Automatic], {{xs, 0, "x Cross Section"}, -4.5, 5, 0.5, Appearance -> "Labeled"}] Manipulate[ RegionPlot[ 16 <= x^2 + y^2 + z^2 <= 25, {y, -5, 5}, {z, -5, 5}, PlotRange ...


It's not free, but take a look at http://www.lumosity.com/ Note that this is a very general app designed to "improve brain performance" overall, it's not a language-learning service.


I was about to suggest Swivel, but they went out of business. However, that article led me to Many Eyes. It looks like it's a product of IBM research that may fit your needs: On Many Eyes you can: View and discuss visualizations View and discuss data sets Create visualizations from existing data sets If you register, you can ...

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