Java and Javascript trading chart API?
They suck compared to .NET/C# Infragistics and Lightning Chart.
JFreeChart does not wow me
http://www.jfree.org/jfreechart/images/PriceVolumeDemo.png
Javascript lots but too much work to set up
http://en.m.wikipedia.org/wiki/Comparison_of_JavaScript_charting_frameworks
http://m.fastcompany.com/3029760/the-five-best-libraries-for-building-data-vizualizations
D3 (useless for live charting sort of Mickey Mouse)
http://stackoverflow.com/questions/12764813/producing-a-live-graph-with-d3
This one looks ok but somewhat limited: https://code.google.com/p/charts4j/
This looks like the best but still nowhere close: https://google-developers.appspot.com/chart/interactive/docs/gallery/linechart
I guess we know the answer now
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Others to investigate ar VTK and Open GL but there are not lot demos for finance
I must say QT Data Visualization looks hot but it is very pricey at $175/month
This has some promise but very pricey
Prices I got from Digia are the same as Nokia was quoting:
Qt Desktop Single OS – 2.995,-
Qt Desktop Multi OS – 4.195,-
Qt Embedded Single – 4.795,-
Qt Embedded Multi – 5.595,-
Qt All OS – 6.395,-
http://forum.qt.io/topic/9537/how-much-cost-qt-for-indie-developers/9
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