Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
FreeCAD - An open-source parametric 3D modeler
Rust - A safe, concurrent, practical language
Inventor - Inventor is a 3D CAD software that lets you quickly create 3D models with embedded intelligence, intuitive workflows, and optimized performance.