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.

CeCILL 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 CeCILL1 license are: Commissariat à l'Energie Atomique - CEA,...

Free Art License [ Copyleft Attitude ] version 1.2 Preamble : With this Free Art License, you are authorised to copy, distribute and freely transform the work of art while respecting the rights of the originator. Far from ignoring the author's rights, this license recognises them and protects them. It reformulates their principle while making it possible for the public to make creative use of the works of art. Whereas current literary and artistic property rights result in restriction of the public's access to works of art, the goal of the Free Art License is to encourage such access. The intention is to make work accessible and to authorise the use of its resources by the greatest number of people: to use it in order to increase its...

Software developed by ISC is released under the ISC License, whose text is shown below. The ISC License is registered with and approved by the Open Source Initiative.   Text of the ISC License: Copyright © 2004-2011 by Internet Systems Consortium, Inc. ("ISC") Copyright © 1995-2003 by Internet Software Consortium   Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL,...

This copy of the libpng notices is provided for your convenience. In case of any discrepancy between this copy and the notices in the file png.h that is included in the libpng distribution, the latter shall prevail. COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: If you modify libpng you may insert additional notices immediately following this sentence. This code is released under the libpng license. libpng versions 1.2.6, August 15, 2004, through 1.5.4, July 7, 2011, are Copyright (c) 2004, 2006-2011 Glenn Randers-Pehrson, and are distributed according to the same disclaimer and license as libpng-1.2.5 with the following individual added to the list of Contributing Authors Cosmin Truta libpng versions 1.0.7, July 1, 2000, th...

This Transitive Grace Period Public Licence (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor") has placed the following licensing notice adjacent to the copyright notice for the Original Work: Licensed under the Transitive Grace Period Public Licence version 1.0 Grant of Copyright License. Licensor grants You a worldwide, royalty-free, non-exclusive, sublicensable license, for the duration of the copyright, to do the following: to reproduce the Original Work in copies, either alone or as part of a collective work; to translate, adapt, alter, transform, modify, or arrange the Original Work, thereby creating derivative works ("Derivative Works") based upon the O...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

Davies, Jim

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