Wolfram MathCore Products Registration
All information concerning Wolfram System Modeler (previously MathModelica) and MathCode can be found at https://www.wolfram.com.
The MathCore newsletter, MathLetter, has been replaced by the Wolfram Community Insider.
MathCode C++
MathCode C++ compiles your Mathematica functions into highly efficient and readable C++ code.
Requirements, downloads and software keys can be found here.
MathCode F90
With MathCode F90, you can generate optimized Fortran 90 code that can be compiled and connected seamlessly into Mathematica.
Requirements, downloads and software keys can be found here.
Wolfram System Modeler
Wolfram System Modeler is the most complete physical modeling and simulation tool.
(The third-party software notice can be found here.)