so while it's not exactly the all in one service you describe, you can do something similar already: http://www.keyboard-layout-editor.com/ http://www.keyboard

so while it's not exactly the all in one service you describe, you can do something similar already: http://www.keyboard-layout-editor.com/ http://www.keyboard-layout-editor.com/ to design your layout, then http://builder.swillkb.com/ http://builder.swillkb.com/ to design a layer case, files go to a laser cutting service, then you would need a controller of some sort (commonly something like a https://www.pjrc.com/teensy/ https://www.pjrc.com/teensy/), switches, diodes, usb ports, etc. then hand wire everything together. tmk/qmk is more or less a defacto standard in custom keyboard firmware: https://github.com/qmk/qmk_firmware https://github.com/qmk/qmk_firmware here are some examples of people generating firmware with webtools, I don't know what they use on the backend. https://www.massdrop.com/configurator/ergodox https://www.massdrop.com/configurator/ergodox http://qmk.thevankeyboards.com/ http://qmk.thevankeyboards.com/