imsNUKE
imsNUKE is a PostNuke-forked content management system focused on structured, document-based content. Combines the portal features of PostNuke with the document features of Document Juggler. It is open source, GPL.
From the website:
What are the key features of imsNUKE?
* imsNUKE uses the kernel of Post-Nuke 0.64 so it comes with all the standard features that are implemented in this package, like:
Modules
Themes
Languages
* With Document Juggler as a module you can manage all your documents in a hierarchical Table of Contents (ToC). The content of each document can be edited easily with a user-friendly interface. Furthermore you can add images, tables and links to your document. If you are using Microsoft's Internet Explorer 5.5 or above you can also edit your content using a What-You-See-Is-What-You-Get (WYSIWYG) editor which works like a common textprocessing software. By option you can allow users to post comments to every document.
* imsNUKE also comes with two pre-installed Post-Nuke modules. A highly customizable bulletin board based on phpBB and an EventCalendar.
* Requirements: Unix- or Windows-based webserver with PHP 4.0.1+ and a MySQL database.
Ugh. We hate phpNUKE and all its icky forks. But who knows, maybe it's just what you need.
(We doubt it.)
Visit imsNUKE


