FreeCAD

Targeting all user levels, FreeCAD is a feature-rich yet lightweight 3D CAD modeler. It provides a complete parametric modeling environment where every change you make can be tracked and adjusted later, offering immense design flexibility. The software comes packed with numerous workbenches and configuration parameters, catering to diverse fields such as robotics, architecture, and mechanical engineering. Its portable nature allows it to be carried and used on any compatible computer without a complex setup. This open-source tool democratizes professional-grade 3D design, providing a robust, accessible, and free alternative to commercial CAD software for education and industry.