use Homebrew to manage virtualbox. use brew cask to manage vagrant, vagrant-manager also, the vagrant plugins: [vagrant-bindfs](https://github.com/gael-ian/vagrant-bindfs#installation) and [vagrant-hostmanager](https://github.com/devopsgroup-io/vagrant-hostmanager#installation). all for use with [trellis](https://roots.io/trellis/docs/installing-trellis/)
use Homebrew to manage virtualbox. use brew cask to manage vagrant, vagrant-manager
also, the vagrant plugins: vagrant-bindfs and vagrant-hostmanager. all for use with trellis