Code Generation, Frameworks, App Servers (not only PHP)

Here's a list of things to check out.

PHP Frameworks comparison site.

J2EE Tutorial

CakePHP

Qcodo

Ruby on Rails

Fusebox

AOL Server (TCL app server)

OK Web Server

Codeigniter

WACT

Catalyst

Python Frameworks.

Java Struts

Zend Framework

Class::DBI