Autodesk Inventor is a computer-aided design application for creating 3D digital prototypes used in the design, visualization and simulation of products. Developed by Autodesk
License: Commercial
LibreCAD is a free, open-source tool focused on 2D drafting, making it accessible for basic design needs. In contrast, Autodesk Inventor is a professional-grade software with advanced 3D modeling, simulation, and parametric design capabilities, targeted towards industrial applications.