QElectroTech is an open-source software application that enables users to design intricate industrial electrical diagrams at no cost. It accommodates a diverse array of diagram types, such as those for electrical, plumbing, geothermal, air-conditioning, hydraulics, pneumatics, domotic, and photovoltaic systems, to name a few. The latest release boasts over 8,000 symbols, allowing for the creation of highly detailed technical diagrams across multiple disciplines. Licensed under the GNU/GPL, it is accessible on Windows, Mac OS, and Linux operating systems. Users benefit from a versatile symbol library and intuitive tools that facilitate the production of professional-quality schematics. Contributions from various industrial firms and engineers, including Soliton Controles Industriais and C-Born Engineering, play a vital role in the software's ongoing development and translation efforts. QElectroTech also features DXF export capabilities, enhancing compatibility with other software applications, which further broadens its usability in professional settings. The collaborative nature of its development underscores the commitment to maintaining an up-to-date and efficient tool for its users.