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
9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. ...
GNU 通用公共许可协议(英语:GNU General Public License,简称GNU GPL或GPL),是一个广泛被使用的自由软件许可协议,最初由理查德·斯托曼为GNU计划而撰写。此许可协议最新版本为“第3版”(v3),2007年6月29日发布。GNU宽通用公共许可协议(英语:GNU Lesser General Public License,一般简称LGPL)是改自GPL的另一个版本...
(Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have ...
Primarily used for software libraries, the GNU LGPL requires that derived works be licensed under the same license, but works that only link to it do not fall under this restriction. There are two commonly used versions of the GNU LGPL.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or(at your option) any later version. ...
OSI-Approved Summary Full Text You may copy, distribute and modify the software as long as you track changes/dates in source files. Any modifications to or software including (via compiler) GPL-licensed code must also be made available under the GPL along with build & install instructions. ...
GNU General Public License(GNU通用公共许可证,简称GPL)是由自由软件基金会(Free Software Foundation,FSF)发布的一种自由软件许可协议。GPL的核心思想是确保软件的自由使用和修改,要求任何分发或修改GPL许可下的软件的人也必须将修改后的软件以GPL许可的形式发布,从而保护软件的自由。
In such case, this License incorporates the limitation as if written in the body of this License. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but ...
-free programs must be allowed to use the library. A more frequent case is that a free library does the same job as widely used non-free libraries. In this case, there is little to gain by limiting the free library to free software only, so we use the Lesser General Public License....