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.
Autodesk Navisworks is a 3D design review package primarily used in construction industries to complement 3D design packages (such as Autodesk Revit, AutoCAD, and MicroStation). Navisworks allows users to open and combine 3D models; navigate around them in real-time; and review the model using a set of tools including comments, redlining, viewpoint, and measurements.