Pie & Donut (doughnut) is a very universal and fully configurable Flash chart. Using it, you can easily have good-looking, animated pies or donuts on your website. You can also use it for creating elaborate navigation menus. Key features:
Animated or static
Pull the slice in or out on click
3D or 2D
Values can be displayed in the legend
Custom description for any slice
Clickable slices (you can use this feature for drill-down charts)
Grouping small slices into one slice
Partial pies
Common amCharts features:
Platform-independent
Can be exported as an image
Can be controlled via JavaScript
Settings and data can be passed directly from an HTML file
Custom image or Flash (animated) backgrounds
Unlimited labels
Rotated labels and axis values
Data can be automatically reloaded with a preset frequency