Phoenix

Phoenix Portal is a portal framework that anyone can customise and build for himself a personal site or any organization can build a large homepage.

Developer: Phoenix
license License: GNU General Public License (GPL)
operating systems Operating System: Linux, Win

An open source email client for Windows.

Developer: Phoenix Mail Developers
license License: GNU General Public License (GPL)
operating systems Operating System: Windows

This class is completely stand-alone and is designed to make the XML communications nice and simple in PHP.

Developer: Andy Frey, onesandzero.biz
license License: Freeware
operating systems Operating System: linux, windows, freebsd, osx, sun