CopyLeft License : Every Open Source License

FREE SOFTWARE LICENSING AGREEMENT CeCILL Notice This Agreement is a free software license that is the result of discussions between its authors in order to ensure compliance with the two main principles guiding its drafting: firstly, its conformity with French law, both as regards the law of torts and intellectual property law, and the protection that it offers to authors and the holders of economic rights over software. secondly, compliance with the principles for the distribution of free software: access to source codes, extended user-rights. The following bodies are the authors of the license CeCILL1

GL2PS LICENSE Version 2, November 2003 Copyright (C) 2003, Christophe Geuzaine Permission to use, copy, and distribute this software and its documentation for any purpose with or without fee is hereby granted, provided that the copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. Permission to modify and distribute modified versions of this software is granted, provided that: 1) the modifications are licensed under the same terms as this software; 2) you make available the source code of any modifications that you distribute, either on the same media as you distribute any executable or other form of this software, or via a mechanism generally a...

Free Art license [ Copyleft Attitude ] Version 1.1 Preamble: With this Free Art license, you are given the right to freely copy, distribute and transform the artworks in the respect of the rights of the author. Far from ignoring the rights of the author, this license recognizes them and protects them. It reformulates their principle while making it possible for the public to make a creative use of the works of art. Whereas the use that is being made of the right to litterary and artistic property resulted in a restriction of the public's access to the works of art, the goal of the Free Art license is to support it. The intention is to open the access and to authorize the use of the resources of an artwork by the greatest number of pe...

February 2002 Preamble -------- The Berkeley Software Distribution ("BSD") license has proven very effective over the years at allowing for a wide spread of work throughout both commercial and non-commercial products. For programmers whose primary intention is to improve the general quality of available software, it is arguable that there is no better license than the BSD license, as it permits improvements to be used wherever they will help, without idealogical or metallic constraint. This is of particular value to those who produce reference implementations of proposed standards: The case of TCP/IP clearly illustrates that freely and universally available implementations leads the rapid acceptance of standards -- often even be...

Academic Free License Version 1.2 This Academic Free License applies to any original work of authorship (the "Original Work") whose owner (the "Licensor") has placed the following notice immediately following the copyright notice for the Original Work: Licensed under the Academic Free License version 1.2 Grant of License. Licensor hereby grants to any person obtaining a copy of the Original Work ("You") a world-wide, royalty-free, non-exclusive, perpetual, non-sublicenseable license (1) to use, copy, modify, merge, publish, perform, distribute and/or sell copies of the Original Work and derivative works thereof, and (2) under patent claims owned or controlled by the Licensor that are embodied in the Original Work as furnish...