Mechanical Keyboard

http://www.keyboard-layout-editor.com/#/gists/841dc60c2a4f5788c728408cf004c9e8

https://gist.github.com/WayneBooth/841dc60c2a4f5788c728408cf004c9e8

http://kb.sized.io/

http://www.maxkeyboard.com/iso-layout-custom-backlight-cherry-mx-keycap-set.html

http://builder.swillkb.com/

http://www.keyboardcad.com/