ProtoChart is an open source canvas chart library built with Prototype.

This library is highly inspired from Flot, Flotr and PlotKit & it enables us to create different chart types on the fly.

Prototype Canvas Charts

Features of this chart library:

  • Line, bar, pie, curve, mix, and area charts available
  • Multiple data series on same graph
  • Highly customizable legend support
  • Customizable grid, grid border, background
  • Customizable axis-tick values (both x and y)
  • Supports: IE6/7, FF2/3 and Safari
  • Even works on an iPhone!

As IE6 does not support the canvas tag, Excanvas library is used for compatibility.

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