Top Alternatives to Autodesk Inventor

SketchUp is a powerful 3D modeling software widely used for architectural design, interior design, mechanical engineering, and more. It offers an intuitive interface and a vast library of pre-made models, making it accessible for both beginners and professionals.

Autodesk AutoCAD is a powerful commercial computer-aided design (CAD) and drafting software used by professionals across architecture, engineering, construction, and manufacturing industries. It provides robust tools for 2D drafting, 3D modeling, and design documentation.

FreeCAD is a powerful, open-source parametric 3D modeler designed primarily for engineering and product design, allowing users to create and modify real-life objects of various sizes with ease.

LibreCAD is a robust and free 2D CAD application supporting multiple operating systems. It offers essential tools for technical drawing and design, making it an excellent choice for individuals and businesses seeking a cost-effective yet capable CAD solution.

SolidWorks is a leading professional 3D CAD software for design, simulation, and product data management. It enables engineers and designers to create, validate, and manage product development.

BRL-CAD is a powerful open-source solid modeling system utilizing Constructive Solid Geometry (CSG). It provides a comprehensive suite for design, analysis, and visualization, suitable for a range of engineering and scientific applications.