This license is a set of additional permissions added to version 3 of the gnu general public license. Track in fossa gnu lesser general public license v2. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. You may copy, distribute and modify the software provided that you state modifications and license them under lgpl2. The commercial product includes services such as support, maintenance, professional services, integration, or the like. The gpl code used in avi321 products is released without warranty and is subject to the of the corresponding author. When distributing derived works, the source code of the work must be made available under the same license. While you may download our software product under the lgpl free of charge, we also offer our software under a commercial license. The library refers to a covered work governed by this license, other than an application or a. Aug 28, 2014 the restrictions of including unedited lgpl software in your product are fairly simple and can be somewhat oversimplistically summarized as. It was not published by the free software foundation, and does not legally state the distribution terms for software that uses the gnu lgplonly the original english text of the gnu lgpl does that.
Software engineering stack exchange is a question and answer site for professionals, academics, and students working within the systems development life cycle. Openpdf is an open source java library for pdf files github. When we speak of free software, we are referring to. I suspect that because lgpl allows making the source code of the library that you linked to available via a download, it must be ok to use an lgpllicensed lib in your app for microsofts marketplace. Gpl and lgpl licenses jungo products uses some gnu lesser general public license lgpl code.
I have read the lgpl license but its so complicated that i couldnt figure out the answer for my questions. Originally known as the gnu library general public license, it was drafted by the free software foundation fsf to provide a weaker or lesser form of copyleft for use in certain specific circumstances. Originally lgpl was read out as library general public license. Jun 29, 2007 the gnu general public license is a free, copyleft license for software and other kinds of works. You should have received a copy of the gnu lesser general public license along with this library. A detailed listing of the most popular, recently updated and most watched gnu lesser general public license v3. The commercial qt license gives you the full rights to create and distribute software on your own terms without any. Qt for application development lets you create applications for desktop and mobile platforms. There are multiple variants of the gnu gpl, each with different requirements. Use this package if you need a free pdf library for use in closedsource projects.
Justified solutions openpdf is open source software with a lgpl and mpl license. The gnu gpl is the most widely used free software license and has a strong copyleft requirement. Jboss eap is a hardened enterprise subscription with red hats worldclass support, long multiyear maintenance cyles, and exclusive content. It contains all the qt apis and the qt creator ide for seamless crossplatform development qt for application development is duallicensed under commercial and open source licenses. The license allows developers and companies to use and integrate a software component released under the lgpl into their own even proprietary software without being required by the terms of a strong copyleft license to release the source code of their own components. The lesser gpl is supposed to protect only the library, without infecting code using the library this, as you might imagine, puts a few lgpl java. Openpdf is the lgplmpl open source successor of itext, and is based on a fork, of a fork, of itext 4 svn tag. Oracle elects to use only the gnu lesser general public license version 2. A lesser general public license lgpl is a license for opensource software that allows for provisions for including elements of free software in either free or proprietary software. The lgpl has a number of additional conditions that need to be met in order to be able to distribute it in a project with another license. Lesser general public license is sometimes referred to as library gpl or gnu libraries, and some associate it with the idea of. The registered users are not charged to use the website.
The library can be used by both open and closed source software, but the library itself is protected from theft. Jungo products uses some gnu lesser general public license lgpl code. To try to get more developers to adopt open source. Say i distribute the lgpl source code, everyone is free to use it, compile it and redistribute it. We have got to know from legal department that we cant use lgpl 2. A detailed listing of the most popular, recently updated and most watched gnu lesser general public license v2. If your software is a combinedderivate work withof apache2 software, you cannot license that software under the gpl2 and therefore cannot license it under the lgpl2. What is the difference between gpl, agpl and lgpl licenses. Can i use an lgpllicenced library in my commercial app. 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 free software. The gnu lesser general public license gnu lgpl was designed as a solution for such situations. This project is a website application used by registered users. You may copy, distribute and modify the software provided that you state modifications and license them under lgpl 2.
The technology behind wildfly is also available in jboss enterprise application platform 7. Some other free software foundation software is covered by the gnu lesser general public license instead. The incompatibility of apache2 and gpl2 is well documented. The vast majority of all ghostscript development is done by artifex engineers, and on rare occasions, bug fixes accepted from outside contributors under license by artifex.
It was not published by the free software foundation, and does not legally state the distribution terms for software that uses the gnu lgpl only the original english text of the gnu lgpl does that. Openpdf fork of itext openpdf is a java library for creating and editing pdf files with a lgpl and mpl open source license. You can therefore only license code under the lgpl2. The gnu lesser general public license lgpl is a freesoftware license published by the free software foundation fsf. For the avoidance of doubt, except that if any license choice other than gpl or lgpl is available it will apply instead, oracle elects to use only the general public license version 2 gplv2 at this time for any software where a choice of gpl license versions is made available with the language indicating that. 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. For more information about how to release your own software under this license, please see our page of instructions. Applying lgpl to a library ensures that the library itself and any modified versions of it will remain open source. It has now been reinterpreted to be read out as the lesser general public license. Openpdf is an open source java library for pdf files. The library refers to a covered work governed by this license, other than an application or a combined work as defined below. You may redistribute the product as long as you provide the license text or a link to the license text with the software package and you may modify it as long as it stays under this.
I suspect that because lgpl allows making the source code of the library that you linked to available via a download, it must be ok to use an lgpl licensed lib in your app for microsofts marketplace. This is an unofficial translation of the gnu lesser general public license into chinese. The lesser general public license is sometimes described as a weak copyleft license, because code licensed under lgpls terms can be combined with code under nonfree licenses, and is. By contrast, the gnu general public license is intended to guarantee your freedom to share and change all versions of a. General public license applies to most of the free software foundations software and to any other program whose authors commit to using it. It is a fork of librepdf which is a fork of itext version 4, more specifically itext svn tag 4. Open source licensing basics unlike many open source software projects, ghostscript is owned and fully controlled by artifex. Gpl, lgpl, apache, bsd, the great thing about open source code is the large amount of high quality code that is available and many embedded projects use foss code as it really speeds up development time. 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. This package contains the last version of the library released under the mozilla public license and the lgpl, before the project moved to the agpl. Openpdf is a java library for creating and editing pdf files with a lgpl and mpl open source license. All software produced by the apache software foundation or any of its projects or subjects is licensed according to the terms of the documents listed below.
Gnu librarylesser general public license lgpl the above copyleft license didnt work for many software libraries because no one who was releasing any type of software commercially or under an alternative license would use them, which was the whole purpose of releasing the libraries. Anything statically linked to the library can only be redistributed under lgpl, but applications that use the library. See the gnu lesser general public license for more details. The lesser general public license is sometimes described as a weak copyleft license, because code licensed under lgpls terms can be combined with code under nonfree licenses, and is sometimes used in that fashion. Please understand that we cannot respond to any questions concerning the content of lgpl 2. Gnu lesser general public license version 3 open source.
The gnu lesser general public license lgpl is a free software license, allowing you to use the software document art work without any licensing fees. Gpl, also known as copyleft, grants permission to reuse or modify the source code to make derivative works, but if you distribute your program to others, it requires you to license your derivative work under the gpl too. Gnu lesser general public license apache openoffice wiki. Gpl and lgpl open source licensing restrictions stack. Gpl linux av tech corporation avi321 contains code which is developed by thirdpartycompanies and which are subject to the gnu general public license gpl or the gnu lesser public licence lgpl.