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FreeCAD - An open-source parametric 3D modeler
Autodesk Revit - Autodesk Revit is building information modeling software for architects, structural engineers, MEP engineers, designers, and contractors.
SketchUp - 3D for Everyone
AutoDesk InfraWorks 360 - InfraWorks 360 preliminary engineering and design software provides tools to work on infrastructure projects in a real-world context.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
ActCAD - ActCAD is one Software for many applications covering the primary domains of – Architecture, Engineering, Construction (AEC) including Structural, Electrical, and Mechanical.