KiCad is an EDA software suite for the creation of professional schematics and printed circuit boards up to 32 copper layers with additional technical layers. KiCad provides a suite of programs for Schematic Capture and PCB Layout with Gerber output. With KiCad you can create schematic diagrams and printed circuit board up to 32 copper layers. KiCad comes with a rich set of libraries with 3D models as well. KiCad is a mature EDA software tool under active development by a team of developers and a vibrant user group.
KiCad includes a project manager and four main independent software tools:

Operating system: Windows, Linux, Mac OSX
Requirements: Python