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.

Version 1.2, 1 September 1998 Copyright 1998, The OpenLDAP Foundation. All Rights Reserved. Note: This license is derived from the "Artistic License" as distributed with the Perl Programming Language. As differences may exist, the complete license should be read. PREAMBLE The intent of this document is to state the conditions under which a 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. Definitions: "Package" refers to the collection of files distributed by the Copyri...

SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) Copyright (C) [dates of first publication] Silicon Graphics, Inc. All Rights Reserved. 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 including the dates of first publication and either this permission notice or a reference to http://oss.sgi.com/projects/FreeB/ shall ...

Open Source License This license applies to all original software available from keithdevens.com unless the software is marked otherwise. This license is most like the Artistic License. I wrote this license separately and then discovered that the Artistic license has a similar philosophy. The code you have is Open Source. You have permission to use or modify the code for your own purposes: commercial, private, or educational. However, the author (me) retains ownership (copyright) over the code - it is not public domain. The unmodified source may be redistributed with no restrictions, provided that all files in the original distribution are included and unchanged. The modified source may be redistributed under the foll...

Attribution-NonCommercial-ShareAlike 2.0 CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE LEGAL SERVICES. DISTRIBUTION OF THIS LICENSE DOES NOT CREATE AN ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS INFORMATION ON AN "AS-IS" BASIS. CREATIVE COMMONS MAKES NO WARRANTIES REGARDING THE INFORMATION PROVIDED, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM ITS USE. License THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW. ANY USE OF THE WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE OR...

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. ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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