As I am running to the limits of my current Eagle license (board size), I have also installed KiCad on my Mac...
As I am playing around with the Apple ][, I didn't have a edge connector, yet, for KiCad so I had to create one. This one is also based on the Apple IIgs Tech Note #28
You can download the part library and footprint from this page.
I hope you will find it useful and when/if you encounter any problems, please leave me message.
12-Apr-2016 - First public release
You can download the file here: Apple2_bus.zip
THIS KICAD LIBRARY DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL, BUT WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. AS WITH EVERY HOBBY PROJECT YOU MUST ALWAYS DOUBLE CHECK. I AM NOT RESPONSIBLE FOR ANY DIRECT OR INDIRECT DAMAGES TO YOUR APPLE II OR ITS PERIPHERALS.