> I am not aware of any sufficient open-source equivalent to the commercial
> products.  If someone (DARPA? NSF?) were to see the need for a more
> available tool, and fund its development, it could very quickly get into
> the academic world, and from there into mainstream use.  If the language
> syntax happened to be Ada, I don't think anyone would care.  And if the
> generated language was Ada, the algorithm designers would be better able to
> look at it at integration time.

GNU Octave? (http://www.octave.org/)