PHP PHP is a server-side HTML embedded scripting language.
Apache Webserver Apache is a freely available Web server that is distributed under an "open source" license.
MySQL MySQL is a simple, yet powerful Open Source Software relational database management system that uses SQL.
Eclipse IDE (PHPeclipse) Eclipse is an open source community whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle..
NVU complete Web Authoring System for Linux Desktop, Microsoft Windows and Macintosh users to rival programs like FrontPage and Dreamweaver.
GIMP The GNU Image Manipulation Program, for X Windows systems.
Smarty A PHP templating system, probably the most popular for the PHP platform.
Prototype Provides class-style Object Oriented and AJAX, freely distributable under the terms of an MIT-style license.
PHPMailer PHPMailer - full featured email transfer class for PHP.