Cadsoft Eagle Professional 7.1.0 ((free)) -

A grid-based "Ripup & Retry" engine that can work alongside manual routing. In version 7, it gained multi-core processor support

CadSoft Eagle Professional 7.1.0 is a powerful and popular electronic design automation (EDA) software used for designing and manufacturing printed circuit boards (PCBs). Developed by Autodesk, Eagle is a comprehensive tool that offers a wide range of features and capabilities to help engineers and designers create high-quality PCB designs. CadSoft Eagle Professional 7.1.0

Your designs remain on your hard drive. No one at Autodesk can "shut down" your tool. No subscription server outages. This is critical for defense, medical devices, and IP-sensitive projects. A grid-based "Ripup & Retry" engine that can

EAGLE (Easily Applicable Graphical Layout Editor) version 7.1.0 was a mature release from CadSoft Computer GmbH, before the software was acquired by Autodesk (which later led to the Fusion 360 ECAD integration). The edition was the top-tier license, removing all major limitations on board size, layers, and schematic sheets. Your designs remain on your hard drive