The gnu general public license gnu gpl or gpl is a series of widely used free software licenses that guarantee end users the freedom to run, study, share, and modify the software. The main author of both licenses is richard stallman. The gnu affero gpl version 3 has also been brought into the fold. Spdx license list software package data exchange spdx. Php 4, php 5 and php 7 are distributed under the php license v3. The purpose of the spdx license list is to enable easy and efficient identification of such licenses and exceptions in an spdx document, in source files or elsewhere.
Some devices are designed to deny users access to install or run modified. How to license your free software with gnu gpl v3 youtube. The gnu general public license is often called the gnu gpl for short. These include downloading source code from an adjacent network server or by peertopeer transmission, provided that is how the compiled code. The library refers to a covered work governed by this license, other than an application or a combined work as defined below. By contrast, the gnu general public license is intended to guarantee your freedom to share and change free softwareto make sure the software is free for all its users. Licencia gnu affero agpl compatible con gpl software libre.
Blender is released under the gnu general public license gpl, or free. Gpls main purpose is to promote the free availability and use of software for any purpose and for any users needs. This is an attempt to clarify the most important issues. This is an open source license, certified by the open source initiative the php license is a bsdstyle license which does not have the copyleft restrictions associated with gpl. By contrast, the gnu general public license is intended to guarantee your freedom to share and change all versions of a programto make sure it remains free software for all its users. The gnu general public license is a free, copyleft license for software and. While theres been a lot of discussion about the license since the first draft appeared, not many people have. Gnu general public license, version 3 gnuprojekt free. The first version of the affero general public license agplv1, was published by affero, inc. This license is based on gplv3 with a new requirement to ensure that users who interact with the software over a network can receive the source for that program. The gnu general public license permits making a modified version and letting the public access it on a server without ever releasing its source code to the public. It updates its predecessor to reflect the changes that have taken place in the it world over the sixteen years that separate them. Ffmpeg is licensed under the gnu lesser general public license lgpl version 2. For past releases under the sunoracle umbrella, openoffice.
The gnu affero general public license is designed specifically to ensure that, in such cases, the modified source code becomes available to the community. Virtualdub is distributed under the gnu general public license, which specifies the conditions under which you may modify and redistribute virtualdub. The affero general public license affero gpl and informally affero license is a free software license. We recommend that people consider using the gnu agpl for any software which will commonly be run over a network. Apache 2 software can therefore be included in gplv3 projects, because the gplv3 license accepts our software.
This license is a set of additional permissions added to version 3 of the gnu general public license. We, the free software foundation, use the gnu general public license for most of our software. The gnu general public license v3 gpl v3 for short is the next version of the extremely popular free and open source licence the gpl v2. Legal issues are a constant source of questions and confusion. The gpl is also liked with the free software foundation fsf.
Does that mean that i have to releasemake available the modified code. This is an unofficial translation of the gnu general public license into spanish. The gnu general public license gnu gpl or gpl is a series of widely used free software. Signalandroidlicense at master signalappsignalandroid.
The free software foundation considers the apache license, version 2. The gnu affero general public license is based on the gnu gpl, but has an additional term to allow users who interact with the licensed software over a network to receive the source for that program. The licenses for most software are designed to take away your freedom to share and change it. Gplv2 and gplv3 are versions of the gnu public licenses gpl, a wellknown license for free software. After a year and a half of public consultation, thousands of comments, and four drafts, version 3 of the gnu general public license was finally published on june 29, 2007. As used herein, this license refers to version 3 of the gnu lesser general public license, and the gnu gpl refers to version 3 of the gnu general public license. The gnu general public license is a free, copyleft license for software and other. For more information about how to release your own software under this license, please see our page of instructions.
The software freedom law center provides practical advice for developers about including permissively licensed source. But the v3 talks about to propagate and to convey which are rather confusing terms to me. Gnu affero general public license gnu project free. Difference between gplv2 and gplv3 difference between. One of the basic tenets of the gpl is that anyone who acquires the material must make it available to anyone else under the same licensing agreement.
This general public license applies to most of the free software foundations software and to any other program whose authors commit to using it. The second version agplv2 was published in november 2007, as a transitional license to allow an. If this is what you want to do, use the gnu lesser general public license instead of this license. This license is designed to insure the freedom of the software and to grant you rights to distribute modified copies in a manner consistent with those freedoms. We normally use the gnu general public license gnu gpl, specifying version 3 or any later version, but occasionally we use other free software licenses. Both filezilla and filezilla server as downloadable from are free opensource software distributed under the terms and conditions of the gnu general public license gpl version 2 or at your option any later version for using filezilla and filezilla server, no restrictions apply. Gnu gpl v3 download the gnu general public license does. Permissions of this strong copyleft license are conditioned on making available complete source code of licensed works and.
If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. The free software foundation today released the second discussion draft of the gnu affero general public license gnu. The licenses were originally written by richard stallman, former head of the free software foundation fsf, for the gnu project, and grant the recipients of a computer program the rights of the. Permissions of this copyleft license are conditioned on making available. This version of the gnu lesser general public license incorporates the terms and. Boston, massachusetts, usafriday, june 29, 2007the free software foundation fsf today released version 3 of the gnu general public license gnu gpl, the worlds most popular free software license. You can watch fsf president richard stallman announce the official release. Corporate headquarters 126 brookline ave, 3rd floor boston, ma 02215. Fsf releases the gnu general public license, version 3. The most widespread use of gpl is in reference to the gnu gpl, which is commonly abbreviated simply as gplwhen it is understood that the term refers to the gnu gpl. The usual disclaimers apply, this is not legal advice. Most gpl version 2 software is actually licensed as gpl version 2 or any later version, or. Sie muss unter einer freien softwarelizenz freigeben werden.
The gnu general public license does not permit incorporating your program into proprietary programs. This is a tutorial on how to license your free software with gnu glp v3 licence. The spdx license list is a list of commonly found licenses and exceptions used in free and open source and other collaborative software or documentation. The free software foundation today released the second discussion draft of the gnu affero general public license gnu agpl. The original affero gpl was designed to ensure that all users of a web application would be able to receive its source. Gnu general public license, version 3 spdx short identifier.
We use only licenses that are compatible with the gnu gpl for gnu software. Some other free software foundation software is covered by the gnu library general public license instead. To make it free software, you need to release it under a free software license. The sourcecode license was the gnu lesser general public license. I want to use a wordpress template from your site license gnu gpl v3, modified the code htmlcss to produce a new website which will be put online. The gnu gpl is the most widely used free software license and has a strong copyleft requirement. The gpl license grants the users irrevocable rights to use, modify and redistribute software even commercially under the condition that software or its derivatives retain the gpl license and. Free software foundation releases gnu affero general. Contribute to dtebaepm development by creating an account on github. It was not published by the free software foundation, and does not legally state. This license, commonly known as the gpl, has two versions that are actively and widely used in many open source communities. The gnu general public license gnu gpl or simply gpl is a widely used open source software license, originally written by richard stallman for the gnu project.