Auto CAD is a CAD software application for 2D and 3D design developed by Autodesk in 1982, notably as one of the first CAD programs for the IBM PC. AutoCAD allows for digital modeling and collaboration, helping designers improve ideas before building. AutoCAD Mechanical and Electrical are specialized versions that increase productivity for mechanical and electrical control system design with automated tasks and comprehensive libraries. Autodesk offers a range of design software to help architects, engineers, and construction professionals bring ideas to life and manage projects through building information modeling.