SketchUp - 3D for Everyone
EPLAN Electric P8 - CAE software solution for project planning, documentation and administration of electrotechnical automation projects.
ArchiCAD - ArchiCAD 16 enables BIM modeling with a new green approach to planning. Create anything you need with ArchiCAD's flexible new features for design.
AutoCAD Electrical - AutoCAD Electrical design software is electrical engineering software for electrical CAD.
e-Builder - e-Builder is a construction program management solution that manages capital program cost, schedule, and documents.
QElectroTech - QElectroTech is a free software to create electric diagrams.