Looks very similar to MxGraph (http://www.jgraph.com/mxgraph.html). Would be interesting in seeing a list of what features it provides that MxGraph doesn't.
view-source: is a convenience protocol only supported by Google Chrome and Firefox, which makes the source look nice (syntax highlighted). When I have time I'll make an appropriate alternative for other browsers.
Sort of a bum out wrt to the license. If I read it right it is free only for evaluation but not for use in your own product ala MIT? What is the pricing model then?
The pricing model is based on number of developers, number of app (domains) used, and length of support/update subscription. Pricing figures aren't final, but they won't be aimed at hobbyists, probably closer to Sencha's ExtJS prices.
It will be sold as a standard commercial license and licensed per domain, with support and updates included for the duration of a term. The details aren't final yet, though.