Flipper

Flipper Web Service provides free, customized charts and graphs on request. The powerful Flipper graphing engine translates your data into professional looking graphs with great features such as tooltips, drilldown and mouse interaction. Flipper Web Service is cross-platform and cross-language compatible, and is usable with Java, ASP.NET, PHP and Perl. If your organization requires a charting solution and is exploring the potential of web services sign up today for the free Flipper Web Service. Please note that Flipper Web Service is a demo version and is provided as is. Please read the license agreement for more information
More information: http://www.proworks.com/ws_overview.php