EPLAN Electric P8 - CAE software solution for project planning, documentation and administration of electrotechnical automation projects.
SolidWorks - Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.
QElectroTech - QElectroTech is a free software to create electric diagrams.
FreeCAD - An open-source parametric 3D modeler
AutoCAD Electrical - AutoCAD Electrical design software is electrical engineering software for electrical CAD.
SketchUp - 3D for Everyone