SketchUp - 3D for Everyone
DataCAD - DataCAD is a computer-aided design and drafting software for 2D and 3D architectural design and drafting
SmartDraw - Instead of starting with a blank screen, SmartDraw gives you the exact template you need.
AutoCAD Arch - Design and document more efficiently with the AutoCAD Architecture toolset, created specifically for architects.
SketchBook - SketchBook is a professional drawing or painting application that allows designers, architects, and concept artist to sketch their ideas and create adorable illustrations in no time.
AutoCAD Plant 3D - AutoCAD Plant 3D is a BIM software that lets you create, modify, and manage schematic piping and instrumentation diagrams.