CopyLeft License : Every Open Source License

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...

Note that this license is not endorsed by the Free Software Foundation. It is available here as a convenience to readers of the license list. DESIGN SCIENCE LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION Copyright © 1999-2001 Michael Stutz <stutz@dsl.org> Verbatim copying of this document is permitted, in any medium. 0. PREAMBLE. Copyright law gives certain exclusive rights to the author of a work, including the rights to copy, modify and distribute the work (the "reproductive," "adaptative," and "distribution" rights). The idea of "copyleft" is to willfully revoke the exclusivity of those rights under certain terms and conditions, so that anyone can copy and distribute the work ...

This is a package of commutative diagram macros built on top of Xy-pic by Michael Barr (email: barr@barrs.org). Its use is unrestricted. It may be freely distributed, unchanged, for non-commercial or commercial use. If changed, it must be renamed. Inclusion in a commercial software package is also permitted, but I would appreciate receiving a free copy for my personal examination and use. There are no guarantees that this package is good for anything. I have tested it with LaTeX 2e, LaTeX 2.09 and Plain TeX. Although I know of no reason it will not work with AMSTeX, I have not tested it.

NASA OPEN SOURCE AGREEMENT VERSION 1.1 THIS OPEN SOURCE AGREEMENT ("AGREEMENT") DEFINES THE RIGHTS OF USE, REPRODUCTION, DISTRIBUTION, MODIFICATION AND REDISTRIBUTION OF CERTAIN COMPUTER SOFTWARE ORIGINALLY RELEASED BY THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION ("NASA"). ANYONE WHO USES, REPRODUCES, DISTRIBUTES, MODIFIES OR REDISTRIBUTES THE SUBJECT SOFTWARE, AS DEFINED HEREIN, OR ANY PART THEREOF, IS, BY THAT ACTION, ACCEPTING IN FULL THE RESPONSIBILITIES AND OBLIGATIONS CONTAINED IN THIS AGREEMENT. NASA Original Software Designation: _____________________________________ NASA Original Software Title: ___________________________________________ User Registration requested, ...

The source code in this package is copyright 1999-2010 by Andrew Plotkin. You may copy and distribute it freely, by any means and under any conditions, as long as the code and documentation is not changed. You may also incorporate this code into your own program and distribute that, or modify this code and use and distribute the modified version, as long as you retain a notice in your program or documentation which mentions my name and the URL shown above.