AutoCAD is computer-aided design (CAD) software that architects, engineers, and construction professionals rely on to create precise 2D and 3D drawings.
Autodesk creates design and modelling software and services for the architecture, engineering, construction, manufacturing, media, education, and entertainment industries.
Mentor Graphics is an electronic design automation (EDA) software, that provides design solutions that enable companies to develop better electronic products faster and more cost-effectively.