AutoCAD is a computer-aided design (CAD) software application developed by Autodesk. It is widely used by architects, engineers, drafters, and designers for creating precise 2D and 3D drawings and models. AutoCAD offers a range of tools and features for drafting, annotation, and design, allowing users to produce detailed technical drawings and plans for buildings, machinery, and various other objects. It supports customization and automation through scripting and APIs, making it a versatile tool in multiple industries, including architecture, engineering, construction, and manufacturing.