Download of MacOSX Disk Image(kicad-unified-6.0.2-0.dmg: 1,534,906,055 字节) will begin shortly. If not so, click kicad-unified-6.0.2-0.dmg.
KiCad is an open-source electronics CAD tool. You can create schematics and design PCBs using an extensive open source library of parts. View your resulting PCBs in 3D and export to gerbers for manufacturing.