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.

Attribution-NonCommercial-NoDerivs 2.5 CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE LEGAL SERVICES. DISTRIBUTION OF THIS LICENSE DOES NOT CREATE AN ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS INFORMATION ON AN "AS-IS" BASIS. CREATIVE COMMONS MAKES NO WARRANTIES REGARDING THE INFORMATION PROVIDED, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM ITS USE. License THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW. ANY USE OF THE WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE OR C...

Ricoh Source Code Public License Version 1.0 1. Definitions. 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. "Electronic Distribution Mechanism" means a website or any other mechanism generally accepted in the software development community for the electronic transfer of data. 1.4. "Executable Code" means Governed Code in any form other than Source Code. 1.5. "Governed Code" means the Original Code or Modifications or the combination of the Original Code and Modifications, in each ca...

Common Documentation License Version 1.0 — February 16, 2001 © 2001 Apple Computer, Inc. Permission is granted to copy and distribute verbatim copies of this License, but changing or adding to it in any way is not permitted. Please read this License carefully before downloading or using this material. By downloading or using this material, you are agreeing to be bound by the terms of this License. If you do not or cannot agree to the terms o f this License, please do not download or use this material. 0. Preamble. The Common Documentation License (CDL) provides a very simple and consistent license that allows relatively unrestricted use and redistribution of documents while still maintaining the author's cre...

Copyright (C) 1994-2006 The XFree86 Project, Inc. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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 th...

1. Definitions "Credit/Crediting" (Attribution) means acknowledging the Original Authors and/or Licensors of any Works and/or Derivative Work that You Share; "Derivative Work" means any work created by the editing, adaptation or translation of the Work in any media or any work made up of a number of separate works in which the Work is included in its entirety in unmodified form; "Licence" means this Creative Archive licence for use within the UK;   "Logo" means the Creative Archive Licence logo attached to or incorporated in the Work;   "No-Endorsement" means that You must not use the Work and/or Derivative Work in any way that would suggest or imply the Licensor's support, association or approval; "Non-Com...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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