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.

EFF Open Audio License: Version 1.0.1 Changes from ver. 1.0[.0]: Typo corrections; no substantive changes. I. Preamble II. Terms of Use III. How to Use this License I. PREAMBLE Principles Digital technology and the Internet can empower artists to reach a worldwide audience and to build upon each other's ideas and imagination with extremely low production and distribution costs. Many software developers, through both the open source software initiative and the free software movement, have long taken advantage of these facts to create a vibrant community of shared software that benefits creators and the public. EFF's Open Audio License provides a legal tool that borrows from both movements providi...

The agreement below gives the TeX Users Group (TUG) the right to sublicense, and grant such sublicensees the right to further sublicense, any or all of the rights enumerated below. TUG hereby does so sublicense all such rights, irrevocably and in perpetuity, to any and all interested parties. --Karl Berry, TUG President, on behalf of the TeX Users Group board and members 17 November 2006 http://tug.org/fonts/utopia ------------------------------------------------------------ October 11, 2006 RE: License to TeX Users Group for the Utopia Typeface Adobe Systems Incorporated ("Adobe") hereby grants to the TeX Users Group and its members a nonexclusive, royalty-free, perpetual license to the typeface software for the Ut...

NETIZEN OPEN SOURCE 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. 1.4. "Electronic Distribution Mechanism" means a mechanism generally accepted in the software develop...

Open Source Initiative OSI - Adaptive Public License 1.0 ADAPTIVE PUBLIC LICENSE Version 1.0 THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THIS ADAPTIVE PUBLIC LICENSE ("LICENSE"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THIS LICENSE. "LICENSED WORK" AND "RECIPIENT" ARE DEFINED BELOW. IMPORTANT NOTE: This License is "adaptive", and the generic version or another version of an Adaptive Public License should not be relied upon to determine your rights and obligations under this License. You must...

Attribution-NonCommercial-ShareAlike 1.0 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 ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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