Software implementing Gentech Genealogical Data Model



Is anyone aware of any open source genealogical software that
implements the Gentech Genealogical Data Model, or something fairly
similar to it?

http://xml.coverpages.org/GENTECH-DataModelV11.pdf

I'm contemplating implementing something based on it myself, but I
don't see the point in re-inventing the wheel if there's already
something out there that I can build on.

--
Richard Smith
.