free school management system for linux

WebMake is a simple web site management system

FQC IMS, Fisher Quarter Circle Inventory Management System

pyBox is a live web based movie catalogue management system.

Open Elms is an open source free e-Learning 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.

The easy-to-use, powerful and compliant laboratory information management system