We do not offer such type of diagramming tool in our ASP.NET AJAX and MVC suites. The only option I can think of is to go for a custom solution which utilizes our components (if applicable), based on your custom requirements.
If you manager to assemble such a cross-browser solution, I encourage you to post in the Code Library section
on our site and we will reward your effort with Telerik points taht can be used as a discount for future purchases/upgrades of our products.
the Telerik team
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