1. USB-Driver
SerialPort-USB-Treiberinstallation for Arduino IDE
https://www.silabs.com/documents/public/software/Mac_OSX_VCP_Driver.zip
control with:
ls -als /dev/cu.*
2. Unofficial list of 3rd party boards support urls
https://github.com/arduino/Arduino/wiki/Unofficial-list-of-3rd-party-boards-support-urls