Compile Wolfram Language functions into C++ code and binary
This is improved on mathematica keygen(this code can also use on system modeler).It has full tutorials and you can input your own actkey.
Extend Mathematica with LibraryLink and C++ with ease
Header only C++ library simplifying Wolfram LibraryLink code
Open source package for OpenCascadeLink, which is bundled with Wolfram Language products as of version 12.1
Wolfram Language interface to the Gurobi numerical optimization library
Wolfram Language interface to the Gurobi numerical optimization library