You can use birdeye RaVis on Flash. It's open source.
Amarghosh
2009-09-19 11:13:30
Try this one:
Flare is an ActionScript library for creating visualizations that run in the Adobe Flash Player. From basic charts and graphs to complex interactive graphics, the toolkit supports data management, visual encoding, animation, and interaction techniques. Even better, flare features a modular design that lets developers create customized visualization techniques without having to reinvent the wheel.
Also give a try Google Visualisation API and especially Org Chart .