I always wanted a big 4'x8' CNC router, but without the space or the money for one that seemed like a pipe dream. The things I wanted to build were always big (boats, airplanes, houses...etc) and the desktop machines just weren't what I wanted...so I built Maslow
Maslow is completely open source. You can download the firmware (gpl), control software(gpl), CAD files (creative commons), and PCB files (creative commons) from our github repository at https://github.com/MaslowCNC
kit have a spindle?