1)   DipTrace Free 1.50
DipTrace is an advanced PCB design software application that consists of 4 modules: PCB Layout with efficient auto-router, Schematic Capture, Component and Pattern Editors that allow you to design your own component libraries.
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 2)   Pad2Pad Free PCB Layout CAD 1.7.14
Pad2Pad Free PCB Routing CAD with Ordering. Supports NET LIST import. Pad2Pad is the remarkable new way to get the custom printed circuit boards you need. Download our free PCB software, design your board, and click to order. It's that easy!
PCB, circuit board, PCB CAD, Trace Router, online pcb, pcb layout, print circuit tools, order pcb, PCB trace, PCB route,

 3)   DipTrace 1.50
DipTrace is an advanced PCB design software application that consists of 4 modules: PCB Layout with efficient auto-router, Schematic Capture, Component and Pattern Editors that allow you to design your own component libraries.
pcb, ecad, eda, pcb layout, electronics, schematic capture, pcb software, pcb design software,