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GNU General Public License - Wikizero

In contrast, a GPLv2 licensee, under the doctrine of implied patent license, is free to practice any patent claims held by the licensor that cover “reasonably contemplated uses” of the GPL’d code, which may very well include creation and distribution of modified works since the GPL’s terms, under which the patented code is distributed, expressly permits such activity. Despite efforts by copyleft advocates to explain this in GPLv2 itself and in other documents, there are evidently some people who still believe that GPLv2 allows charging for services but not for selling copies of software and/or that the GPL requires downloads to be gratis. GNU GPLv2 The GNU GPL is the most widely used free software license and has a strong copyleft requirement. When distributing derived works, the source code of the work must be made available under the same license. There are multiple variants of the GNU GPL, each with different requirements. While the "GPLv2 or any later version" clause is considered by FSF as the most common form of licensing GPLv2 software, Toybox developer Rob Landley described it as a lifeboat clause.

Gplv2 copyleft

Se hela listan på de.wikipedia.org The Lesser General Public License (LGPL) is a more permissive license (weak copyleft). LGPL is used to license free software so that it can be incorporated into both free and proprietary software. The LGPL and GPL licenses differ with one major exception; with LGPL the requirement that you open up the source code to your own extensions to the software is removed. Se hela listan på softwarefreedom.org 2021-03-25 · Copyleft advocates have always contemplated that some companies will choose to ship proprietary software on the same device as the GPL'd works. Indeed, GPLv2 foresaw this possibility and permits that “mere aggregation” — as long as compliance is achieved for the GPLv2-covered works included on the device.

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Does this give us new borders for the interpretation of "software as a whole" within the meaning of GPLv2? Must each Micorsoervice be considered as an " The GNU General Public License is a series of widely-used free software licenses that The GPL series are all copyleft licenses, which means that any derivative work must be distributed such as the Apache License, version 2.0, and VLC media player to remain under GNU GPL version 2.

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Se hela listan på softwarefreedom.org 2021-03-25 · Copyleft advocates have always contemplated that some companies will choose to ship proprietary software on the same device as the GPL'd works. Indeed, GPLv2 foresaw this possibility and permits that “mere aggregation” — as long as compliance is achieved for the GPLv2-covered works included on the device.

Vanligaste licensen på fri programvara. Copyleft.
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1 The copyright holders have the right to relicense the same work under different licenses (see Section 12.2 of this tutorial), or to stop distributing the GPLv2’d version (assuming GPLv2 § 3(b) was never used), but they may not revoke the rights under GPLv2 … The Affero General Public License (Affero GPL and informally Affero License) is a free software license.The first version of the Affero General Public License (AGPLv1), was published by Affero, Inc. in March 2002, and based on the GNU General Public License, version 2 (GPLv2).The second version (AGPLv2) was published in November 2007, as a transitional license to allow an upgrade path from OSS] (discussing GPLv2 copyleft). 282 Michigan State Law Review [Vol. 2008:279 determination and freedom with one’s computer.9 The FSF’s progenitor, Richard Stallman, implemented these novel licensing concepts in GPLv2 toward his greater end of software freedom.

This chart introduces the terms "weak copyleft" and strong copyleft". GNU General Public License, vanligtvis förkortat till GNU GPL eller GPL, är en upphovsrättslicens för fri programvara som ursprungligen skrevs av Richard Stallman. Den är baserad på fyra friheter, och notera att eftersom datorer använder numrering som börjar med 0, numreras även dessa friheter på detta vis: Frihet 0: Friheten att använda programvaran i valfritt syfte.
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Copyleft software licenses are not inherently GPL-compatible; even the GPLv2 license by itself is not compatible with GPLv3 or LGPLv3. [8] [30] [31] If you tried to combine code released under either of the later GPL licenses with GPLv2 code, you would violate section 6 of GPLv2, the source of the incompatibility. The dotted arrow from GPLv2 to GPLv3 is for a special version of GPLv2 written "GPLv2 or later" (sometimes abbreviated "GPLv2+"). This chart introduces the terms "weak copyleft" and strong copyleft".

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Can/Cannot/Must Images from from the deep details of the GPLv2 and GPLv3, common business models in the copyleft licensing area (both the friendly and unfriendly kind), best practices for Stallman som ett led i skapandet av GNU-projektet.