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CNRI OPEN SOURCE GPL-COMPATIBLE LICENSE AGREEMENT IMPORTANT: PLEASE READ THE FOLLOWING AGREEMENT CAREFULLY. BY CLICKING ON "ACCEPT" WHERE INDICATED BELOW, OR BY COPYING, INSTALLING OR OTHERWISE USING PYTHON 1.6.1 SOFTWARE, YOU ARE DEEMED TO HAVE AGREED TO THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT. 1. This LICENSE AGREEMENT is between the Corporation for National Research Initiatives, having an office at 1895 Preston White Drive, Reston, VA 20191 ("CNRI"), and the Individual or Organization ("Licensee") accessing and otherwise using Python 1.6.1 software in source or binary form and its associated documentation. 2. Subject to the terms and conditions of this License Agreement, CNRI hereby grants Licensee a nonexclusive, r...

Ruby is copyrighted free software by Yukihiro Matsumoto . You can redistribute it and/or modify it under either the terms of the 2-clause BSDL (see the file BSDL), or the conditions below: 1. You may make and give away verbatim copies of the source form of the software without restriction, provided that you duplicate all of the original copyright notices and associated disclaimers. 2. You may modify your copy of the software in any way, provided that you do at least ONE of the following: a) place your modifications in the Public Domain or otherwise make them Freely Available, such as by posting said modifications to Usenet or an equivalent medium, or by allowing the author to include your modifications in the software. ...

Software License for MTL Copyright (c) 2007 The Trustees of Indiana University. 2008 Dresden University of Technology and the Trustees of Indiana University. 2010 SimuNova UG (haftungsbeschränkt), www.simunova.com. All rights reserved. Authors: Peter Gottschling and Andrew Lumsdaine This file is part of the Matrix Template Library Dresden University of Technology -- short TUD -- and Indiana University -- short IU -- have the exclusive rights to license this product under the following license. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. All redistributions of source code must retain ...

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.