Configuring WebDAV for cross-platform file sharing

Web-based Distributed Authoring and Versioning (WebDAV) is an often-overlooked protocol that can provide cross-platform file sharing with minimal client-side configuration. This article explains how to configure WebDAV servers on Windows with IIS, on Mac OS X and Linux with Apache, and how to connect using built-in WebDAV clients on all three OSes.

Document and File Management

Slashdot: Open Source Web-Based File Management?

EOSDirectory

ask.metafilter has some answers too.

Alfresco looks promising. But based on a Java stack.
OWL
Plone
WebDav
KnowledgeTree
DekiWiki

Plone is too advanced and it might take a bit of time. Plone presentation is very good: http://localhost/front-page/presentation_view




http://www.glscube.org/index.html

http://www.ultrafolder.com/