MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
FreeCAD - An open-source parametric 3D modeler
D (Programming Language) - D is a language with C-like syntax and static typing.
Perl - Highly capable, feature-rich programming language with over 26 years of development