Is there any Flex 4 data visualization for analysis of relational data (link-based phenomena)?

I have been goggling a lot to find anything that can help me with link-based data visualization in Flex 4. something like below screen shoot (made using Ravis).

enter image description here

Where user can drag these nodes, without removing the links and on double click of any node we can set some properties for that particular node.

I found this Ravis (Birdeye), but not much of examples and support is available for that. I was wondering is there any thing already present in Flex 4 or anything that might help?

Thanks

Solution

Try the components from Kap IT Lab They have been around for a long time, and you can test them for free. They also have a free community edition, which may suit your needs. I am not associated to them in any way. You can see demos of their components in the Tour de Flex application.