SketchUp - 3D for Everyone
EPLAN Electric P8 - CAE software solution for project planning, documentation and administration of electrotechnical automation projects.
Autodesk Revit - Autodesk Revit is building information modeling software for architects, structural engineers, MEP engineers, designers, and contractors.
QElectroTech - QElectroTech is a free software to create electric diagrams.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
SolidWorks Electrical - SOLIDWORKS® Electrical solutions simplify electrical product design with specific tools for engineers and intuitive interfaces for faster embedded electrical system design.