http://it.usaspending.gov/

This is an important day, an important milestone on the path to greater openness and transparency in the Federal Government. This site helps us to achieve a very simple and powerful vision: a vision that, in a democracy, the people ought to know what their Government is doing: how the Government is raising and spending money, how it is making and enforcing law, how it is supporting projects, how decisions are being made, and how results are being evaluated.

They are using FusionCharts

—