ele (enCore Learning Environment) is a moo- and web-based environment (server, db, GUI) designed for educational purposes. It aids and promotes online learning and community building through open standards and ease of use. http://encore-consortium.org/
The WMS (Website Management System) is designed to allow a web site administratror to easily run a website with little hassle. The WMS is based on the structure of the internet, hyperlinked pages each with different items on them.
An irc bot written in the PHP scripting language, making use of the PEAR package 'Net_SmartIRC' to solicit the connection. Very customizable, portable, and simplistic.
The Floranta libraries provide components for building Rich Client Wikis using AJAX or Java. Floranta clients can be embedded in any webpage (even plain html) and allow users to leave notes, images, cards, etc on the pages. Eg: http://www.floranta.com
WaveIRCD is a PHP-Based IRCD Server, driven by Pear::DB. Includes in-built IRC Services, and a whole range of IRC Commands. Version 1 and above requires PHP5.
SmartIRC is a PHP class/library for communication with IRC networks, which conforms to the RFC 2812 (IRC). It's an API that handles all IRC protocol messages. Project moved to PEAR! http://pear.php.net/package/Net_SmartIRC/