CAD programs

Will be updated frequently there are quite a few CAD programs (software packages) that operate under Linux. Most of them are specialized to produce specific drawings for specific applications (eg. pcb, kicad, qucs, gEDA), the most common 2-D general purpose CAD software is qCAD. A few screenshots are given hereafter, the first for all 3 layers visible, the second for 2 (dim & lines) and the third for only one layer visible (lines) and the other 2 invisible.