CopyLeft License : Every Open Source License

POV-Ray Licence Agreement MODIFICATION TERMS Persistence of Vision Raytracer(tm) (POV-Ray(tm)) 5 July 2004 Licensed Version: Version 3.6 Please read through the terms and conditions of this agreement carefully. This is a binding legal agreement between you and Persistence of Vision Raytracer Pty. Ltd. ACN 105 891 870 ("POV"), a company incorporated in the state of Victoria, Australia, for the product known as the "Persistence of Vision Raytracer(tm)", also referred to herein as "POV-Ray(tm)". In these terms "Licensed Version" means the version of POV-Ray identified at the start of these terms and all minor releases (ie releases of the form x.y.z) of that version. The terms of this agreement are set out at: ht...

Copyright 1995 by Wietse Venema. All rights reserved. Some individual files may be covered by other copyrights. This material was originally written and compiled by Wietse Venema at Eindhoven University of Technology, The Netherlands, in 1990, 1991, 1992, 1993, 1994 and 1995. Redistribution and use in source and binary forms, with or without modification, are permitted provided that this entire copyright notice is duplicated in all such copies. This software is provided "as is" and without any expressed or implied warranties, including, without limitation, the implied warranties of merchantibility and fitness for any particular purpose.

GNU LIBRARY GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1991 Free Software Foundation, Inc. 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. [This is the first released version of the library GPL. It is numbered 2 because it goes with version 2 of the ordinary GPL.] Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This license, the Libra...

Version 1.1 Terminology The term knowledge is taken to include: Content such as music, films, books Data be it scientific, historical, geographic or otherwise Government and other administrative information Software is excluded despite its obvious centrality because it is already adequately addressed by previous work. The term work will be used to denote the item or piece of knowledge which is being transferred. The term package may also be used to denote a collection of works. Of course such a package may be considered a work in itself. The term license refers to the legal license under which the work is made available. Where no license has been made this should be interpreted as referring to the resulting default l...

The authors hereby grant permission to use, copy, modify, distribute, and license this software and its documentation for any purpose, provided that existing copyright notices are retained in all copies and that this notice is included verbatim in any distributions. No written agreement, license, or royalty fee is required for any of the authorized uses. Modifications to this software may be copyrighted by their authors and need not follow the licensing terms described here, provided that the new terms are clearly indicated on the first page of each file where they apply. IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS...