Is true, it is not for free but its price is not so big.
Have a look:
There is interesting HTML on the home page of dawliasoft... :)file:///C:\DOCUME~1\admin\
BTW, Model-Driven-Architecture has been inplemented the best way so far in Enterprise Core Objects (from CapableObjects).But it is not very good with SQL.Sculpture looks ok, but not sure about its maturity.
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