Core CAD Products
These basic design software tools, such as AutoCAD 2009 and AutoCAD LT 2009, are intended for general CAD applications.

Architecture and Building Design
Specialized software for architects, building designers and related engineering professionals. The products in this category include AutoCAD Architecture, Autodesk Revit Architecture, Autodesk Revit Structure, Autodesk Revit MEP, AutoCAD MEP, and Autodesk Max Design.

Civil Engineering and Survey
Featuring Autodesk Civil 3D and AutoCAD Land Desktop, these products are for professional land designers and surveyors.

Manufacturing Design
Autodesk Inventor is the next-generation MCAD design solution from Autodesk that makes 3D modeling a snap.  Inventor Professional adds FEA, wire-harness design, piping & tubing design and other advanced features. And for traditional 2D mechanical design drafting there's AutoCAD Mechanical.

Autodesk also has a data management solution in Autodesk Vault.

GIS and Mapping
Autodesk's solutions for the Geographic Information Systems (GIS) and mapping industries include AutoCAD MAP 3D and MapGuide.