Commenter is an smalll utility for adding comments on web pages via PHP
IAPlatform is a base PHP framework nesting many other internet applications (as eXtensions), enabling interaction with them and bringing a whole new content management system. IAP is written in object-oriented PHP and uses SQL and XML as data sources.
NORS 4 is a complex redaction system (CMS). Features: WYSIWYG editor, arcticles publishing, comments, web pages, categories, RSS channels, static URL generating, article searching...
Seagull is an OO PHP application framework that has the following design goals: a) independence of data, logic & presentation layers; b) extensible component architecture; c) comprehensive error handling; d) integration with PEAR; e) coding standards