CopyLeft License : Every Open Source License

The LaTeX Project Public License =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- LPPL Version 1.1 1999-07-10 Copyright 1999 LaTeX3 Project Everyone is allowed to distribute verbatim copies of this license document, but modification of it is not allowed. PREAMBLE ======== The LaTeX Project Public License (LPPL) is the license under which the base LaTeX distribution is distributed. You may use this license for any program that you have written and wish to distribute. This license may be particularly suitable if your program is TeX-related (such as a LaTeX package), but you may use it even if your program is unrelated to TeX. The section `WHETHER AND HOW TO DISTRIBUTE PROGRAMS UNDER THIS LICENSE', below, gives instructions, examples,...

The Physnet Package License Preamble The intent of this document is to state the conditions under which a Physnet Package may be copied, such that the Copyright Holder maintains some semblance of artistic control over the development of the package, while giving the users of the package the right to use and distribute the Package in a more-or-less customary fashion plus the right to make reasonable modifications. This document is a slight modification of one issued by Larry Wall (http://language.perl.com/misc/Artistic.html). Definitions "Package" refers to any collection of files distributed by the Copyright Holder, in whatever form, and derivatives of that collection of files created through textual or format modifi...

Free Art License 1.3 [ Copyleft Attitude ] Free Art License 1.3 (FAL 1.3) Preamble The Free Art License grants the right to freely copy, distribute, and transform creative works without infringing the author's rights. The Free Art License recognizes and protects these rights. Their implementation has been reformulated in order to allow everyone to use creations of the human mind in a creative manner, regardless of their types and ways of expression. While the public's access to creations of the human mind usually is restricted by the implementation of copyright law, it is favoured by the Free Art License. This license intends to allow the use of a work’s resources; to establish new conditions for creating in order to increase creat...

GNU Free Documentation License Version 1.1, March 2000 Copyright (C) 2000 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. 0. PREAMBLE The purpose of this License is to make a manual, textbook, or other written document "free" in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others. Thi...

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies of the Software and its documentation and acknowledgment shall be given in the documentation and software packages that this Software was used. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI...