There's always Protovis: http://vis.stanford.edu/protovis/ | Hacker News

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		jsundram on April 4, 2011 \| parent \| context \| favorite \| on: Ask HN: What open source packages are available to... There's always Protovis: http://vis.stanford.edu/protovis/

jergason on April 4, 2011 [–]

Protovis is fantastic. It goes well beyond charts and graphing, but you can create some wonderful, interactive charts with it.

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