{% extends "base_compliance.html" %}

{% block subtitle %}Copyleft Compliance Projects - {% endblock %}

{% block submenuselection %}CopyleftPrinciples{% endblock %}

{% block content %}

<h1>The Principles of Community-Oriented GPL Enforcement</h1>

<p>The GNU General Public License (GPL) is the principal copyleft

license. Copyleft is a framework that permits ongoing sharing of a

published work, with clear permissions that <em>both</em> grant

<em>and</em> defend its users' freedoms &mdash; in contrast to other

free licenses that grant freedom but don't defend it.

Free software released under the GPL is fundamental

to modern technology, powering everything from laptops and desktops to

household appliances, cars, and mobile phones, to the foundations of

the Internet. Following the GPL's terms is easy — it gets more