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.

Reciprocal Public License (RPL-1.5) Version 1.5, July 15, 2007 Copyright (C) 2001-2007 Technical Pursuit Inc., All Rights Reserved. PREAMBLE The Reciprocal Public License (RPL) is based on the concept of reciprocity or, if you prefer, fairness. In short, this license grew out of a desire to close loopholes in previous open source licenses, loopholes that allowed parties to acquire open source software and derive financial benefit from it without having to release their improvements or derivatives to the community which enabled them. This occurred any time an entity did not release their application to a "third party". While there is a certain freedom in this model of licensing, it struck the authors of the RPL as being unfai...

OCLC Research Public License 2.0 Terms & Conditions Of Use May, 2002 Copyright © 2002. OCLC Online Computer Library Center, Inc. All Rights Reserved PLEASE READ THIS DOCUMENT CAREFULLY. BY DOWNLOADING OR USING THE CODE BASE AND/OR DOCUMENTATION ACCOMPANYING THIS LICENSE (THE "License"), YOU AGREE TO THE FOLLOWING TERMS AND CONDITIONS OF THIS LICENSE. Section 1. Your Rights Subject to these terms and conditions of this License, the OCLC Office of Research (the "Original Contributor") and each subsequent contributor (collectively with the Original Contributor, the "Contributors") hereby grant you a non-exclusive, worldwide, no-charge, transferable license to execute, prepare derivative works of, and distribute (i...

CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE LEGAL SERVICES. DISTRIBUTION OF THIS DRAFT 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 IS PROHIBITED. BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HERE, YOU ACCEPT AND AGR...

Copyright 1989--2004 by Hunter Goatley. Permission is granted to anyone to use this software for any purpose on any computer system, and to redistribute it freely, subject to the following restrictions: 1. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 2. Altered versions must be plainly marked as such, and must not be misrepresented as being the original software.

Copyright (c) 2009 Massachusetts Institute of Technology All Rights Reserved. Scratch was developed by Lifelong Kindergarten group at the MIT Media Lab. See scratch.mit.edu. Permission is hereby granted, free of charge, to any person obtaining a copy of the Scratch source code and accompanying documentation (the "Software"), to use, copy, modify, merge, publish, or distribute the Software or software derived from it ("Derivative Works") for non-commercial purposes, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 1. The above copyright notice and this permission notice shall be included in all copies of the Software and Derivative Works. 2. The word "Scratch" shall not be...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

Home|About|Contact|Privacy Policy