"BOSTON, Massachusetts, USA—Monday, November 19, 2007—The Free Software Foundation (FSF) today published the GNU Affero General Public License version 3 (GNU AGPLv3).

"The Free Software Foundation has published the GNU Affero General Public License version 3 (GNU AGPLv3). This is a new license; it is based on version 3 of the GNU General Public License (GNU GPLv3), but has an additional term to allow users who interact with the licensed software over a network to receive the source for that program. By publishing this license, the FSF aims to foster user and development communities around network-oriented free software..."

The Free Software Foundation (FSF) today released the fourth and “last call” draft for version 3 of the GNU General Public License (GNU GPL), the world's most widely used free software license. The Foundation will hear comments on the latest draft for 29 days, and expects to officially publish the license on Friday, June 29, 2007.

"The GNU Affero General Public License or GNU AGPL is a free software license published by the Free Software Foundation. The GNU AGPL is similar to the GNU General Public License, except that it has an additional section to cover use over a computer network. It closes what is commonly known as the Application service provider loophole of the GNU General Public License.

Earlier this week, the Mozilla Foundation published the Mozilla Public License (MPL) version 2.0. This is a major update to their flagship license, which covers most of the Foundation's own free software projects, as well as others'.

Late, and over a year in development, the GNU General Public License version three (GPLv3) is finally here. The GPL is important as it's the most widely used Free Software license, with around seventy percent of Free Software released under its terms.

"Nearly five months after the release of the third version of the GNU General Public License (GPL), the Free Software Foundation (FSF) has completed the updating of its key licenses by the release of the GNU Affero General Public License (GAGPL). The GAGPL is designed for use with software distributed over a network, such as a Web application or software as a service..."

"The Free Art license is the English language version of the Licence Art Libre, a French copyleft license for works of art. Created in July 2000, it is the first free license, in the spirit of the GNU General Public License, dedicated to works of art..."

The GNU General Public License (GPL) is often described as "Copyleft" because it turns traditional copyright on its head to make code freer than traditional proprietary copyright licenses. Taking that a step further, some developers are embracing the Unlicense, a license that "disclaims" copyright interest in a piece of code altogether.