PHP
CodeIgniter
PHP Framework for web development
PHP Editor
Complete and easy-to-use PHP editor
CakePHP
PHP development framework based on MVC architecture
FPDF
PHP class that allows you to print as PDF
PHP Runner
Create PHP pages to modify the content of a database
phpMyAdmin
Manage your MySQL database on the web
phpDesigner
Powerful free PHP editor for programmers
PHP Nuke
Content manager for dynamic websites
Codelobster PHP Edition
A comprehensive and all-purpose integrated development environment
Class Upload PHP
A class in PHP for processing images
Elgg
Content manager for creating social networks
Yii Framework
Create your PHP based webapp in a fast and safe way
Coppermine Photo Gallery
Create a Photo Gallery in your website
PHP Stats
Complete statistics system for your website
Kimai
PHP script to generate a project manager for the Web
Ampache
Web file manager to share music collection
PHPfileNavigator
File and directory manager developed in PHP
pChart
PHP class to produce high-quality graphs
Gallery
Content manager based on photo albums
Open Flash Chart
Generate dynamic graphs for websites in Flash format