The driver implements Microsoft's proprietary RNDIS protocol, which is the only protocol supported natively by Android devices although Linux and Windows users have enjoyed native RNDIS drivers for years, Mac OS X supports only CDC Ethernet devices out of the box. HoRNDIS is implemented as a kext, rather than as a user-space program that opens a TAP or TUN device this means that it does not conflict with other TAP/TUN kexts that you might have installed (like OpenVPN, Tunnelblick, or Cisco VPN). Although you should be careful with all drivers that you install on your computer, HoRNDIS has been tested at least well enough for the author (and many others) to run full time on their own personal computers. It is known to work with Mac OS X versions 10.6.8 (Snow Leopard) through 10.14 (Mojave – see notes below), and has been tested on a wide variety of phones.
HoRNDIS (pronounce: “horrendous”) is a driver for Mac OS X that allows you to use your Android phone's native USB tethering mode to get Internet access. HoRNDIS is now maintained by Mikhail Iakhiaev, and this page is in a state of transition – keep your eyes peeled for updates soon.
