DirList is a user directory system that runs as a CGI to serve up user lists, search for various user attributes, view their web sites, define personalised user attributes, and keep it all synchronized automatically with the underlying operating system's user database on periodic intervals with cron.
Net::Z3950::SimpleServer is a Perl module which implements the server side of the Z39.50 (information retrieval) protocol. It hides the complexity of network exchanges, packet serialization, and session handling. You are required only to implement simple callbacks to support searching and record retrieval. It is the basis of the "Zoogle" project, which is a Z39.50 gateway to the Google web index.
TYPO3 CMS is a Web Content Management System which features automatic creation of navigational menus, headlines, and other dynamic graphical elements, automatic conversion and scaling of images, the ability to present different templates based on variables such as client browser or country code, support for multiple templates on a site, and a built-in password-protection option. Pages can be timed to be shown on a certain date, be hidden on a certain date or just temporarily hidden. TYPO3 supports search in SQL-databases and redesigning of a website at once is just a matter of creating a single new template.
Empris (The Emergencies Personnel Information System) is a platform and database independent method for receiving job or volunteer resumes online, and subsequently evaluating, indexing, searching, and managing them. It is ideal for HR managers or volunteer coordinators. It was and is being developed for Oxfam Community Aid Abroad Australia using PHP.
Artekopia Netjuke is a cross-platform Web-based audio streaming jukebox powered by PHP 4 and an increasing choice of databases. MP3, Ogg Vorbis, ASF/WMA, and other music file formats are supported. Artekopia Netjuke aims to enable small organizations or communities run a private "mp3.com-like" Web site to access the music they legitimately own, distribute, or are granted access to. It supports most audio players, language packs, optional file downloads, media protection schemes, multi-level security, shared and private playlists, random playlists, images, etc. It also features an unusual, easy-to-use installer module to get you started in minutes.
The Scout Portal Toolkit (SPT) is a turnkey software package that allows groups or organizations who have collections of knowledge or resources they want to share via the Web to put that collection online without a big investment in technical resources. It includes keyword and fielded search engines, a recommender system, a metadata editor, user agents (push technology to notify users of new resources), forums (bulletin boards), resource quality ratings, resource annotations by users, and support for multiple dynamic user interfaces, selectable on a per-user basis.