Program for creating electrical plans

QElectroTech is a free, open source electrical design software used to create models for electrical, electronics, automation and control circuit projects. It is a highly configurable software that can also be used to create mechanical and instrumental drawings to illustrate processes. Chief Architect Software can create detailed electrical, plumbing and HVAC plans. Download a free trial: https: www.chiefarchitect.com productstrial.ht.