The software commonly used for computer-aided design (CAD) is AutoCAD. This application is widely utilized by architects, engineers, and designers for creating precise drawings and technical illustrations. AutoCAD offers a suite of robust tools for 2D and 3D modeling, allowing users to draft, visualize, and share designs efficiently. Its extensive features support various industries, from construction to product design, enabling professionals to bring their concepts to life. AutoCAD's compatibility with other software and formats further enhances collaboration and design workflow.