free school management system for linux

Hippo CMS is an open source information centered content management system.

pyBox is a live web based movie catalogue management system.

Open Elms is an open source free e-Learning Management System.

Complete eCommerce software solution with built-in Content Management System

MKPortal is a free Portal/Content Management System (CMS).

Mambo is full-features content management system.

DT Centrepiece is a free open-source content management system

This suite extends the Joomla! user management system

FullXML is an open source ASP/XML Portal and Content Management System.

Multi-purpose icon tray management system.