Items can be organized in categories and be presented in an organized environment to website visitors.

Here are some key features of "Opal":

· List Any Type of Item(Houses, Video Games, Cars, etc.)
· Customizable Themes
· User Login System
· Protected Admin Section
· Enable/Disable Item Objects(Images, Videos, Comments, Reviews, Files, etc.)
· Built-In RSS feed generator
· Cool Image Viewer & Slidehow
· Easily Install Community-Built Item Object Plugins(Events, Flash, Testimonials, etc.)
· Category & Subcategory Organization
· Anti-Spam CAPTCHA Images
· Enable/Disable Admin Approval of Items
· Tons of Other Customizable Settings

Requirements:

· RubyonRails 2.3.2 or higher
· Rmagick gem 1.15.12 or higher