Couscous turn Markdown documentation into beautiful websites, see more here. couscous

Install composer on a OS X, details at composer website.

~$ brew install homebrew/php/composer

Global installation of PHP tools with Composer more

~$ composer global require phpunit/phpunit
~$ composer global require phpunit/dbunit
~$ composer global require phing/phing
~$ composer global require phpdocumentor/phpdocumentor
~$ composer global require sebastian/phpcpd
~$ composer global require phploc/phploc
~$ composer global require phpmd/phpmd
~$ composer global require squizlabs/php_codesniffer

After set up a global install of Composer just run:

~$ composer global require couscous/couscous
~$ export PATH=~/.composer/vendor/bin:$PATH

Preview let´s just run:

~$ couscous preview
   .... php 5.4 or above is required to run the internal webserver

Let´s install PHP version 5.4 or above

~$ brew install php54