USB tethering driver for OS X
http://joshuawise.com/horndis Formula was removed
Last version was

Formula history

Anastasia Sulyagina horndis: move to Homebrew Cask (#2924)
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Baptiste Fontaine horndis 7
Dominyk Tiller Add unsigned kext requirement.
Brett Koonce HoRNDIS rel6
Jack Nagel Explicitly mark Xcode deps as build-time deps
Eugene San (eugenesan) HoRNDIS rel5