Requests for PHP is a humble HTTP request library
Browser sniffing gone too far — A useragent parser library for PHP
Cerberus Content Management System
Web based, Open Source alternative to Remark OMR or Teleform
PHP Document Management System (DMS)
Web-based LDAP address book browser/editor
a browser based ballistics calculator for arrows and bullets
Simple, web-based address & phone book
Web Mapping Platform
Small, powerful, full featured WYSIWYG editor
The open content management system for news.
An easy, social publishing platform for groups and individuals.
A PHP class for creating graphs, plots, charts
Free and open source webmail software
Free PHP web analytics script
Open Source photo Library Software
Online, multiuser, brainstorm app.
Single page PHP file browser