Welcome to CopyLeftLicense.com! Here you will find an archive of all the copyleft and open source licenses that have been published in the past. From Beerware Licensing, where you need to buy a beer for the open source programmer if you see them in a bar, to the fine-tuned and legally-curated Berkeley Software Distribution (BSD) License, we have it all. By knowing where we've come from, we might be able to learn where to go!

This archive contains 729 texts, with 682,528 words or 4,889,496 characters.

Licenses : Open Source and CopyLeft Licenses

A collection of open source and copyleft licenses.

Copyright (c) 1986 by University of Toronto. Written by Henry Spencer. Not derived from licensed software. Permission is granted to anyone to use this software for any purpose on any computer system, and to redistribute it freely, subject to the following restrictions: 1. The author is not responsible for the consequences of use of this software, no matter how awful, even if they arise from defects in it. 2. The origin of this software must not be misrepresented, either by explicit claim or by omission. 3. Altered versions must be plainly marked as such, and must not be misrepresented as being the original software. Beware that some of this code is subtly aware of the way operator precedence is structured in regular expres...

CeCILL-B FREE SOFTWARE LICENSE AGREEMENT Notice This Agreement is a Free Software license agreement that is the result of discussions between its authors in order to ensure compliance with the two main principles guiding its drafting: firstly, compliance with the principles governing the distribution of Free Software: access to source code, broad rights granted to users, secondly, the election of a governing law, French law, with which it is conformant, both as regards the law of torts and intellectual property law, and the protection that it offers to both authors and holders of the economic rights over software. The authors of the CeCILL-B1 license are: Commissariat à l'Energie Atomique - ...

The SFL License Agreement This license agreement covers your use of the iMatix STANDARD FUNCTION LIBRARY (SFL), its source code, documentation, and executable files, hereinafter referred to as "the Product". The Product is Copyright © 1991-2000 iMatix Corporation. You may use it and distribute it according to this following License Agreement. If you do not agree with these terms, please remove the Product from your system. By incorporating the Product in your work or distributing the Product to others you implicitly agree to these license terms. Statement Of Copyright The Product is, and remains, Copyright © 1991-2000 iMatix Corporation, with exception of specific copyrights as noted in the individual source files. ...

# Open Works License This is version 0.5 of the Open Works License. ## Terms Permission is hereby granted by the copyright holder(s), author(s), and contributor(s) of this work, to any person who obtains a copy of this work, in any form, to reproduce, modify, distribute, publish, sell, use, or otherwise deal in the licensed material without restriction, provided the following conditions are met: 1. Redistributions, in whole or in part, must retain this list of conditions and the following disclaimer. 2. Redistributions, in whole or in part, must retain any applicable notices of attribution and copyright. 3. This license does not grant permission to use the trade names, trademarks, service marks, product names, or other id...

COPYRIGHT The following is a notice of limited availability of the code, and disclaimer which must be included in the prologue of the code and in all source listings of the code. Copyright Notice + 2002 University of Chicago Permission is hereby granted to use, reproduce, prepare derivative works, and to redistribute to others. This software was authored by: Argonne National Laboratory Group W. Gropp: (630) 252-4318; FAX: (630) 252-5986; e-mail: gropp@mcs.anl.gov E. Lusk: (630) 252-7852; FAX: (630) 252-5986; e-mail: lusk@mcs.anl.gov Mathematics and Computer Science Division Argonne National Laboratory, Argonne IL 60439 GOVERNMENT LICENSE Portions of this material resulted from work developed under a U.S. Government C...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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