The gnu general public license is a free, copyleft license for software and other kinds of works. The formal terms of the gpl can be found at orglicenses. You can redistribute it andor modify it under the terms of the gnu gpl as published by the free software foundation. Zabbix is free and open source software, however, if you use zabbix in a. This document attempts to draw together the main features of the gnu general public license v2 into a friendly and comprehensible digest and, in addition, to note some details about its history and usage. If your project is currently using a dual licensing scheme involving the eclipse public license v 1. This licensing incompatibility applies only when some apache project software becomes a derivative work of some gplv3 software, because then the apache. The gnu gpl is the most widely used free software license and has a strong copyleft requirement. How to license your free software with gnu gpl v3 youtube. Difference between different types of open sources licenses. Approximately 70% of the projects in the software repository sourceforge use the gpl v2.
I am writing a website maintenance system called a content management. I am writing a website maintenance system called a content management system by some, or some other. The gnu general public license v2 gpl v2 for short is the most commonly used open source licence. This license agreement applies to any software library which contains a notice placed by the holder or other authorized party saying it may be distributed under the terms of this library general public license also called this license. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. This is a tutorial on how to license your free software with gnu glp v3 licence. The boilerplate can be found at the end of the license. You may copy, distribute and modify the software as long as you track changesdates in source files.
The free software foundation recommends taking the additional step of adding a boilerplate notice to the top of each file. This concerns in particular code under apache license v. Gnu general public license version 2 open source initiative. You may copy, distribute and modify the software as long as you track changes dates in source files.
The second version of the license, version 2, was released in 1991. Gpl, that installs via network, starting with partitioning and formatting and administrates updates, adds removes software, adds removes scripts clients with debian, xk ubuntu, linuxmint, opensuse, fedora and centos. Difference between freeware and open source software different types of open source licenses. If youre a software developer, you probably use open source components and libraries to build software. Frequently asked questions about the gnu licenses gnu project. The gnu general public license gnu gpl or gpl is a widelyused free software license, which guarantees end users the freedom to run, study, share and modify the software. Top 10 gnu gpl license questions answered whitesource. Why should i use the gnu gpl rather than other free software licenses. This will ensure the license is displayed in package directories.
Does all gnu software use the gnu gpl as its license. 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. Frequently asked questions about version 2 of the gnu gpl. Richard stallman created the gpl to protect the gnu software from.
The gnu affero general public license version 3 the artistic license version 2. 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 gnu general public license gnu gpl or gpl is a series of widely used free software. The license was originally written by richard stallman, former head of the free software foundation fsf, for the gnu project. The formal terms of the gpl can be found at you can redistribute it andor modify it under the terms of the gnu gpl as published by the free software foundation. All of these tools are free and open source projects available on github. The swagger framework is supported by a set of core tools for designing, building, and documenting restful apis.
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