Features:

** Unlimited Categories and Subcategories (tested on 2 million)
** Mod Rewrite for SEO Friendly Pages (optional)
** Paypal Integration for Selling Featured Links
** Set Expiration for Featured Listings (ex. sell monthly or annually)
** Powerful Emailer for Listings Exchanges
** Create Reports of Listings Request Emails sent to show your customer
** Admin Notifications on New Listings (optional)
** Import Listings from XML Source (per category)
** Many Mods Avaialble
** Easily Move or Rename Categories
** Templates Easy to Edit Using Smarty
** Open Listings in New Window (Optional)
** Reciprocal Listings can be Required (optional)check
** check Set Listings per Page
** Compatable with Internet Explorer, Firefox and Opera
** Display RSS Feed for Each Category (optional)
** Visual Confirmation
** Sort Listings by Alphabetical, Hits or PageRank
** Show Most Popular Listings
** Show Latest Listings
** Google Pagerank (note: banned on some servers)
** Notify Submitter of Listings Acceptance
** Notify Submitter of Listings Submission Receipt
** Comes with 700 Categories pre-installed (optional)