Note: The homebrew recipe for installing Saxon shown here was created and is maintained by the community. It is not Saxon's official method of installation. The official method can be found at http://www.saxonica.com/documentation/index.html#!about/gettingstarted/gettingstartedjava and http://www.saxonica.com/documentation/index.html#!using-xquery/commandline.
$ brew install saxon
$ brew info saxon
saxon: stable 9.7.0.4