QElectroTech – design electric diagrams – free Qt based software

QElectroTech is an open source application to create electrical, electronics, automation, and control circuits. The software can also be used to create mechanical objects to illustrate processes, instrumentation drawings among various creative possibilities. QElectroTech is a good professional quality drafting application for various drawings that form a project.

QElectroTech has a large collection of standard and custom symbols, referred to as elements, that describe most of the commonly used components in electrical, hydraulic, pneumatic, computer systems. These elements can be selected drag dropped with mouse on to a diagram editor and connected with lines to represent or describe a system. A large number of such diagrams can be drafted under a project.

QElectroTech also consists of an inbuilt element editor that permits creation of newer elements that do not exist in the collection. Elements in the QET collection are not editable i.e read only. But, once the element is drag dropped into a diagram, it is automatically added to “imported” collection in a duplicate copy. This copy of the element will be available for editing to effect suitable changes to create customized symbols.

QElectroTech is a Qt5 application.

Features include:

  • Two tools: an element editor for creating schematic symbols and a diagram editor for creating your drawings.
  • Libraries of common symbols are included, along with the IEC 60617 standardized symbols.
  • Elements are saved in an xml format.
  • Export diagrams to formats including dxf, pdf, jpg, png, bmp, svg and more.
  • Full screen mode.
  • Highly configurable.
  • Cross-platform support – runs under under Linux, Mac OS X, and Windows operating systems.
  • Internationalization support – translations for Arabic, Brazilian, Catalan, Czech, Croatian, Danish, Flemish, German, Italian, Polish, Portuguese, Romanian, Russian, and Spanish.

Website: qelectrotech.org
Support: Manual, Wiki, Forum
Developer: Laurent Trinques, Joshua Claveau, Davi Fochi
License: GNU General Public License v2.0


QElectroTech is written in C++. Learn C++ with our recommended free books and free tutorials.

Return to Electronic Design Automation

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