There are many software which are available for free PCB design software, online free PCB design software, and industrial PCB software. For example Kicad, Eagle, ORCAD and Altium. Out of which Kidcad is an opensource software and it abide by GNU’s GPL copyright agreement. Kicad uses graphical user interface, which is very convenient to use with the mouse and keyboard, moreover, you can use is Windows and Linux.