A Free, complete, enterprise grade, open source exam management system
The Free / Libre / Open Source Web App with the most built-in features
Free and Open Source SMS Gateway Software. Not A Free SMS Service.
Open Source Learning Management System
Simple quiz app using PHP >= 5.4 and MySQL.
Math Facts practice for classrooms or homes
Web based Chart calculation Tool
lite and flexibel interpreter
A simple script for distributed computing through PHP: