Open Source

Sharing is Freedom, Engineering is Reason and Mistakes are Progress

EDA Tools

Open Source PCB Layout Tools

Open Source EDA Projects
gEDA The gEDA Project offers a mature suite of open-source applications for electronics design, including schematic capture, attribute management, BOM generation, netlisting into over 20 netlist formats, analog and digital simulation, and PCB layout.
PCB This sourceforge project offers a layout package that will export to the standard gerber files.