GeekLog - http://www.geeklog.net/
An open source portal system that can be used as a story
telling software, news system or online community. Features surveys,
moderation system, search engine, headlines generation, and user
customizable boxes. [Open Source - GPL]
Plugins - http://sourceforge.net/projects/geeklogplugins/
Sourceforge project page for the GeekLog Plugins
Purveyors of Geeklog Insanity - http://www.squatty.com/
The home of Danny Ledger's (aka Squatty) numerous addons
and plugins for the Geeklog CMS system. Additionally, support forums for
the Geeklog community are hosted. One of the most helpfull websites for
GeekLog addons, support and information.
Pigstye - GeekLog Addons and Support - http://www.pigstye.net/index.php
A community site for GeekLog plugin programmers, and
home to the GeekLog Plugin API documentation. Also hosts many original
plugins for download.