GD::Graph is excellent, and there's also Gnuplot. They both have lots of different types of graphs and styling options.

Though not a Perl solution, I recently started using the really cool FusionCharts, which is a Flash widget that downloads data from your server (in XML) and renders really cool looking graphs client-side.

In reply to Re: CGI modules for plotting & graphing by friedo
in thread CGI modules for plotting & graphing by ITmajor

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