Thanks for the links. I found a few drawing packages that are good at electronics (like those above) but struggled to find anything suitable for drawing machine controls such as isolators, e-stops, contactors, coils, relays, push buttons, etc. There's always the option to use QCAD or LibreCAD and draw your own symbols, but the style of QElectroTech is more like the drawings I use daily at work. A forum search found zero posts, so thought others might benefit from this software, too.