ChartTool is a free tool from Google that lets you create great looking charts. It's very easy to use. You can select a chart from the gallery, or import your own chart.
Each chart can be edited and customized: title, size, data, data style, axis labels and much more. The charts can be saved, shared, or embedded in a site.
The gallery has line, bar, pie, map, scatter, Venn, Radar charts, QR Codes that can be edited, and even Google-O-Meter charts.
Students and educators can use this to easily create great looking charts and graphs for projects.
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