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.

Academy of Motion Picture Arts and Sciences BSD Variant (GPL incompatible) Copyright (c) 2006 Academy of Motion Picture Arts and Sciences ("A.M.P.A.S."). Portions contributed by others as indicated. All rights reserved. A world-wide, royalty-free, non-exclusive right to distribute, copy, modify, create derivatives, and use, in source and binary forms, is hereby granted, subject to acceptance of this license. Performance of any of the aforementioned acts indicates acceptance to be bound by the following terms and conditions: * Redistributions of source code must retain the above copyright notice, this list of conditions and the Disclaimer of Warranty. * Redistributions in binary form must reproduce the above copyright n...

The Zend Engine License, version 2.00 Copyright (c) 1999-2002 Zend Technologies Ltd. All rights reserved. Redistribution and use in source and binary forms, with or without modification, is permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. 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. 3. The names "Zend" and "Zend Engine" must not be used to endorse or promote products derived from this software without prior permission from...

OSET PUBLIC LICENSE © 2015 ALL RIGHTS RESERVED VERSION 2.1 ANYONE WHO USES, REPRODUCES, DISTRIBUTES, MODIFIES, OR REDISTRIBUTES THE COVERED SOFTWARE, OR ANY PART THEREOF, IS BY THAT ACTION, ACCEPTING IN FULL THE TERMS CONTAINED IN THIS AGREEMENT. IF YOU DO NOT AGREE TO SUCH TERMS, YOU ARE NOT PERMITTED TO USE THE COVERED SOFTWARE. 1. Definitions 1.1. “Contributor” means each individual or legal entity that creates, contributes to the creation of, or owns Covered Software. 1.2. “Contributor Version” means the combination of the Contributions of others (if any) used by a Contributor and that particular Contributor’s Contribution. 1.3. “Contribution” means Covered Software of a pa...

Boost Software License - Version 1.0 - August 17th, 2003 Permission is hereby granted, free of charge, to any person or organization obtaining a copy of the software and accompanying documentation covered by this license (the "Software") to use, reproduce, display, distribute, execute, and transmit the Software, and to prepare derivative works of the Software, and to permit third-parties to whom the Software is furnished to do so, all subject to the following: The copyright notices in the Software and this entire statement, including the above license grant, this restriction and the following disclaimer, must be included in all copies of the Software, in whole or in part, and all derivative works of the Software, unless such copies o...

LHa License Version 1.0 Original Source Code License Statement: Copyright (C) MCMLXXXIX Yooichi.Tagawa Original Authors License Statement (from man/lha.man, translated by Osamu Aoki ): Permission is given for redistribution, copy, and modification provided following conditions are met. 1. Do not remove copyright clause. 2. Distribution shall conform: a. The content of redistribution (i.e., source code, documentation, and reference guide for programmers) shall include original contents. If contents are modified, the document clearly indicating the fact of modification must be included. b. If LHa is redistributed with added values, you must put your best effort to include them (Translator comment: If read literally...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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