Webmasters who visit and join your site, will have ability to post their Softwares resources for free, and advertise for a fee. Admin panel will let you to add/edit/delete new banners, sponsor's links, send newsletter to all webmasters registered in your directory and also add new categories and links of known Softwares companies.

Requirements:
Unix, Linux or Windows server,
PHP 4.3.4 or later
MySQL 3.23.58 or later