QElectroTech - QElectroTech is a free software to create electric diagrams.
E3.series - Electrical design software that facilitates an efficient and accurate design and manufacturing process for electrical and fluid planning, cable planning, wire harness and cabinet layout.
AutoCAD Electrical - AutoCAD Electrical design software is electrical engineering software for electrical CAD.
CODESYS - CODESYS - the IEC 61131-3 programming system.
SolidWorks Electrical - SOLIDWORKS® Electrical solutions simplify electrical product design with specific tools for engineers and intuitive interfaces for faster embedded electrical system design.
4diac - Eclipse 4diac™ provides an open source infrastructure for distributed industrial process measurement and control systems based on the IEC 61499 standard.