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.
The author of this work hereby waives all claim of copyright (economic and moral) in this work and immediately places it in the public domain; it may be used, distorted or destroyed in any manner whatsoever without further attribution or notice to the creator.
ZPL 1.1 Zope Public License (ZPL) Version 1.1 Copyright (c) Zope Corporation. All rights reserved. This license has been certified as open source. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions in source code must retain the above copyright notice, this list of conditions, and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions, and the following disclaimer in the documentation and/or other materials provided with the distribution. All advertising materials and documentation mentioning feature...
Aladdin Enterprises hereby grants to anyone the permission to apply this License to their own work, as long as the entire License (including the above notices and this paragraph) is copied with no changes, additions, or deletions except for changing the first paragraph of Section 0 to include a suitable description of the work to which the license is being applied and of the person or entity that holds the copyright in the work, and, if the License is being applied to a work created in a country other than the United States, replacing the first paragraph of Section 6 with an appropriate reference to the laws of the appropriate country. This License is not an Open Source license: among other things, it places restrictions on d...
ZENPLEX PUBLIC LICENSE Version 1.0 1. Definitions. 1.0.1. "Commercial Use" means distribution or otherwise making the Covered Code available to a third party. 1.1. "Contributor" means each entity that creates or contributes to the creation of Modifications. 1.2. "Contributor Version" means the combination of the Original Code, prior Modifications used by a Contributor, and the Modifications made by that particular Contributor. 1.3. "Covered Code" means the Original Code or Modifications or the combination of the Original Code and Modifications, in each case including portions thereof and corresponding documentation released with the source code. 1.4. "Electronic Distribution Mechanism" means a mechanism gener...
This source code has been made available to you by IBM on an AS-IS basis. Anyone receiving this source is licensed under IBM copyrights to use it in any way he or she deems fit, including copying it, modifying it, compiling it, and redistributing it either with or without modifications. No license under IBM patents or patent applications is to be implied by the copyright license. Any user of this software should understand that IBM cannot provide technical support for this software and will not be responsible for any consequences resulting from the use of this software. Any person who transfers this source code or any derivative work must include the IBM copyright notice, this paragraph, and the preceding two paragraphs in the tran...