BitNami Ruby Stack 3.2 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac app is an intellectual property of BitNami. The program belongs to Developer Tools.
From the developer:
Bitnami Ruby Stack provides a complete, ready-to-run development environment for Ruby on Rails. It includes the latest stable release of Ruby, Rails, RVM, MySQL, SQLite, NGINX, Apache, Memcache and Varnish, Git and Subversion, Sphinx, PHP and phpMyAdmin. It also includes most popular gems for building Rails applications: Thin, RMagick, Rake, Mongrel, Passenger, Nokogiri and more.
You may want to check out more software for Mac, such as BitNami RubyStack or BitNami Stack for Tomcat, which might be similar to BitNami Ruby Stack.