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Charting package for Ruby and ruby on rails. It supports more than 18 different chart types and combinations of them like piecharts, linecharts, barcharts, radarcharts, 2D, 3D, open/close charts, bubble charts, scatter charts, curves, candlesticks and a richt set of features like labels, notes, multiple axis, logarithmic axis, date axis, transparencies, stacked axis and more. It requires very little programming using the chart loader and charts can be exported to a file. It requires RMagick and at least Ruby 1.8.6.