Dia is an open source online diagramming tool designed to help users create structured diagrams. Upon installing this software, the users can create charts for any purpose. It is a free diagram editor for Windows, Mac OS X, and Linux. Both tech-savvy and non-tech users will find the interface of this app easy-to-use. Related searches for free wiring diagram software mac schematic drawing software macbest electrical schematic for maccircuit maker macschematic software for macelectrical schematic software machome wiring design softwarediagram sketch macmac diagram tool