OpenSCAD is a free software application for creating solid 3D CAD (computer-aided design) objects. Developed by Clifford Wolf
License: Open Source
FreeCAD is a versatile 3D CAD program with a user-friendly interface, making it suitable for complex designs and assemblies. OpenSCAD, on the other hand, is focused on programmable 3D modeling, offering powerful scripting capabilities but with a steeper learning curve and less intuitive interface.