nanoCAD is a professional and simple CAD software, with full *.dwg support. Developed by Nanosoft
License: Freemium
nanoCAD is a cost-effective CAD solution that excels in 2D drafting and is compatible with DWG files, making it suitable for users looking for a straightforward design tool. In contrast, Autodesk Inventor is a more powerful software focused on 3D modeling and simulation, designed for complex engineering projects and requiring more investment and expertise.