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 1989, 1991, 1992 by Carnegie Mellon University Derivative Work - 1996, 1998-2000 Copyright 1996, 1998-2000 The Regents of the University of California All Rights Reserved Permission to use, copy, modify and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appears in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of CMU and The Regents of the University of California not be used in advertising or publicity pertaining to distribution of the software without specific written permission. CMU AND THE REGENTS OF THE UNIVERSITY OF CALIFORNIA DISCLAIM ALL WA...

SGI FREE SOFTWARE LICENSE B (Version 1.1 [02/22/2000]) 1. Definitions. 1.1. "Additional Notice Provisions" means such additional provisions as appear in the Notice in Original Code under the heading "Additional Notice Provisions." 1.2. "Covered Code" means the Original Code or Modifications, or any combination thereof. 1.3. "Hardware" means any physical device that accepts input, processes input, stores the results of processing, and/or provides output. 1.4. "Larger Work" means a work that combines Covered Code or portions thereof with code not governed by the terms of this License. 1.5. "Licensable" means having the right to grant, to the maximum extent possible, whether at the time of the initial grant or subsequently ...

The agreement below gives the TeX Users Group (TUG) the right to sublicense, and grant such sublicensees the right to further sublicense, any or all of the rights enumerated below. TUG hereby does so sublicense all such rights, irrevocably and in perpetuity, to any and all interested parties. --Karl Berry, TUG President, on behalf of the TeX Users Group board and members 17 November 2006 http://tug.org/fonts/utopia ------------------------------------------------------------ October 11, 2006 RE: License to TeX Users Group for the Utopia Typeface Adobe Systems Incorporated ("Adobe") hereby grants to the TeX Users Group and its members a nonexclusive, royalty-free, perpetual license to the typeface software for the Ut...

GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright © 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of o...

The "No problem Bugroff" license. Richard Stallman of the Free Software Foundation devised, in addition to some marvelous software, the GNU General Public License (GPL for short). Or the CopyLeft it is sometimes called. It is quite a revolutionary document, using the "copyright" tool to to protect your right to use free software. Unfortunately using copyright to protect free software is a lot like using a Jackal to guard the hens. In fact, various inconveniences relating to this have resulted in modifications such as the LGPL (Library General Public License) and more recently the NPL (Netscape Public License) I call these matters mere inconveniences, the real damage will occur when the Jackal's, (sorry, I mean lawye...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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