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 (c) 1993 The Regents of the University of California. All rights reserved. This software was developed by the Computer Systems Engineering group at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and contributed to Berkeley. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed by the University of California, Lawrence Berkeley Laboratory. Redistribution and use in source and binary forms, with or without modification, are 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. ...

Academic Free License v. 2.1 (plain text version) This Academic Free License (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor") has placed the following notice immediately following the copyright notice for the Original Work: Licensed under the Academic Free License version 2.1 1) Grant of Copyright License. Licensor hereby grants You a world-wide, royalty-free, non-exclusive, perpetual, sublicenseable license to do the following: to reproduce the Original Work in copies; to prepare derivative works ("Derivative Works") based upon the Original Work; to distribute copies of the Original Work and Derivative Works to the public; to perform the Original Wor...

AFFERO GENERAL PUBLIC LICENSE Version 2, November 2007 Copyright © 2007 Affero Inc. 510 Third Street - Suite 225, San Francisco, CA 94107, USA This is version 2 of the Affero General Public License. It gives each licensee permission to distribute the Program or a work based on the Program (as defined in version 1 of the Affero GPL) under the GNU Affero General Public License, version 3 or any later version. If the Program was licensed under version 1 of the Affero GPL "or any later version", no additional obligations are imposed on any author or copyright holder of the Program as a result of a licensee's choice to follow this version 2 of the Affero GPL.

APPLE PUBLIC SOURCE LICENSE Version 1.2 - January 4, 2001 Please read this License carefully before downloading this software. By downloading or using this software, you are agreeing to be bound by the terms of this License. If you do not or cannot agree to the terms of this License, please do not download or use the software. 1. General; Definitions. This License applies to any program or other work which Apple Computer, Inc. ("Apple") makes publicly available and which contains a notice placed by Apple identifying such program or work as "Original Code" and stating that it is subject to the terms of this Apple Public Source License version 1.2 (or subsequent version thereof) ("License"). As used in this License: 1.1 "Applicab...

Copyright (C) 1999, 2002 Aladdin Enterprises. All rights reserved. This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, a...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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