TGFusionCharts

TGFusionCharts is a TurboGears widget which lets you easily add FusionCharts Flash Charts to your application. TGFusionCharts is licensed under MIT License; FusionCharts has a commercial license, but offers a free trial.

http://www.thesamet.com/TGFusionCharts/
http://www.fusioncharts.com/Demos/SalesDashboard/Contents/Visits.html