XTrackCAD is a open-source, free, CAD program for designing model railroad layouts. You can easily create layout of any scale or size. Libraries for many brands, scales and gauges of track and turnouts/points and model structures are included. Adding new components is easy with the built-in editor. It runs on Windows, Mac and Linux,
From now on, see the translation work at this address :
https://www.transifex.com/xtrackcad/
French translation for XTrkCAD, Windows and Linux version.