Operating System
Operating System

Linux/Unix, (Recommended: Debian Linux 5.0 or 6.0)
Windows 2000/XP/Me/2003/Vista/7
Mac OS X, Mac OS X Server

 
Web Server
Web Server

Apache 1.3
Apache 2
IIS 5+
LightTPD 1.4+

 
PHP
PHP

4.3+ (Recommended: 5.x)
PHP Session support

 
Database
Database

MySQL 4+ (Recommended: MySQL 5.1+)
PostgreSQL 7+
Oracle, MS SQL upon request