PHP-Nuke is a Web Portal System, storytelling software, News system,
online community or whatever you want to call it. The goal of
PHP-Nuke is to have an automated web site to distribute news and
articles with users system. Each user can submit comments to discuss
the articles, just similar to Slashdot and many others. Main features
include: web based admin, surveys, top page, access stats page with
counter, user customizable box, themes manager for registered users,
friendly administration GUI with graphic topic manager, option to
edit or delete stories, option to delete comments, moderation
system, Referers page to know who link us, sections manager,
customizable HTML blocks, user and authors edit, an integrated
Banners Ads system, search engine, backend/headlines generation
(RSS/RDF format), and many, many more friendly functions. PHP-Nuke
is written 100% in PHP and requires Apache Web server, PHP and
MySQL. Support for 22 languages, Yahoo like search engine, Comments
option in Polls, more than 43 themes, Ephemerids manager, File
Manager, Headlines, download manager, faq manager, advanced blocks
systems, reviews system, categorized articles, multilanguage content
management and a lot more.

WWW: http://www.phpnuke.org/