This is used to install OneHealth Formulas that are not distributed by homebrew. For information on homebrew itself see http://brew.sh/
To use the formulas specified here, use the tap subcommand to pull them in.
$ brew tap onehealth/homebrew-tap
If you no longer want to track this repo, use
$ brew untap onehealth/homebrew-tap
This repository also contains some experimental /Application installations supported via homebrew-cask. For example to install Oracle Virtualbox for use with Vagrant you can use the following
$ brew install brew-cask
$ brew cask install virtualbox
However, keep in mind that this installs a pkg, that still needs to be run manually. See #14 Support pkg installers