Joomla! License Guidelines

This Web site is powered by Joomla! The software and default templates on which it runs are Copyright 2005-2008 Open Source Matters. The sample content distributed with Joomla! is licensed under the Joomla! Electronic Documentation License.

All data entered into this Web site and templates added after installation, are copyrighted by their respective copyright owners.

What license does Joomla! use?

The GNU General Public License Version 2 or later.
Within the context of this FAQ, "GNU GPL" and "GPL" refer to the GNU General Public License Version 2.

What is the difference between the GPL and the LGPL?

The GNU GPL is intended to be used for applications whereas the GNU LGPL is intended to be used for application libraries. The Joomla! Content Management System is an entire application that utilizes a multitude of libraries, both GPL and LGPL (as well as with other GPL compatible licenses), and thus is licensed under the GPL license.

Where can I read more about the license?

The GNU General Public License:
The GNU GPL Frequently Asked Questions (FAQ):
The philosophy behind the GNU: