KiCad. aicad starts a KiCad you installed yourself, as a program of its own, and does not include it. Models from KiCad's 3D library, wherever they appear in aicad or on its website, are by the KiCad library contributors, CC-BY-SA 4.0 with the libraries' exception for designs and files generated from them. kicad.org
Names. V-Slot, HIWIN, PEM, EJOT, McMaster-Carr, Seeed XIAO, KiCad and the other product and company names in aicad name the standard parts and products they belong to. They belong to their owners, and aicad is not affiliated with, endorsed by or sponsored by any of them.