DipTrace
DipTrace is an advanced PCB design software application that comes with PCB Layout module, powerful auto-router, Schematic Capture and Component/Pattern editors to design your own component libraries. Besides being very simple to learn, which is quite an accomplishment for an engineering software application, the software has a very intuitive user interface and many innovative features. Output formats are DXF, Gerber, N/C Drill and G-code.