IndexU™ is the portal solution script that allows you to build a powerful Web Indexing Website such as yahoo, dmoz.org with easy integration & many unique features : Integrated payment system (supporting Paypal, e-gold, Authorize.net, 2checkout), 3 levels of listing with customisable price (Basic, premium, and sponsored listing type with availability to discount price for longer paid period), advanced template engine or SMARTY based, Search Engine Friendly URL (SEO),