d3
Metric Insights includes the d3 charting library and provides several d3 chart types. These types are shown here. You can modify these charts to behave the way you want, and you can extend this library by adding other types of d3 charts.
You can view more examples of d3 JavaScript charts at https://github.com/mbostock/d3/wiki/Gallery
d3 Line
d3 Line example
d3 Brush
d3 Brush example
d3 Collapsible Tree
d3 Collapsible Tree example
d3 Pie
d3 Pie example