Web Server 4D (WS4D/eCommerce) - Version 3.5.3 An integrated database and web server in one application. Publish unlimited databases. No need for complicated CGI or scripting. Web Server 4D also support multi-homing for unlimited domain support along with domain tracking and accounting. Many built-in features that usually require CGI's are standard. Tracks New vs. repeat users, can send emails on 1st time referers. Web Server 4D is available for Windows NT or MacOS.