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.

Artistic License 2.0 Copyright (c) 2000-2006, The Perl Foundation. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble This license establishes the terms under which a given free software Package may be copied, modified, distributed, and/or redistributed. The intent is that the Copyright Holder maintains some artistic control over the development of that Package while still keeping the Package available as open source and free software. You are always permitted to make arrangements wholly outside of this license directly with the Copyright Holder of a given Package. If the terms of this license do not permit the full use that you propose to ma...

Cube game engine source code, 20 dec 2003 release. Copyright (C) 2001-2003 Wouter van Oortmerssen. 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 m...

The "No problem Bugroff" license. Richard Stallman of the Free Software Foundation devised, in addition to some marvelous software, the GNU General Public License (GPL for short). Or the CopyLeft it is sometimes called. It is quite a revolutionary document, using the "copyright" tool to to protect your right to use free software. Unfortunately using copyright to protect free software is a lot like using a Jackal to guard the hens. In fact, various inconveniences relating to this have resulted in modifications such as the LGPL (Library General Public License) and more recently the NPL (Netscape Public License) I call these matters mere inconveniences, the real damage will occur when the Jackal's, (sorry, I mean lawye...

MakeIndex Distribution Notice 11/11/1989 Copyright (C) 1989 by Chen & Harrison International Systems, Inc. Copyright (C) 1988 by Olivetti Research Center Copyright (C) 1987 by Regents of the University of California Author: Pehong Chen (phc@renoir.berkeley.edu) Chen & Harrison International Systems, Inc. Palo Alto, California USA Permission is hereby granted to make and distribute original copies of this program provided that the copyright notice and this permission notice are preserved and provided that the recipient is not asked to waive or limit his right to redistribute copies as allowed by this permission notice and provided that anyone who receives an executable form of this p...

Creative Commons Legal Code CC0 1.0 Universal CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS INFORMATION ON AN "AS-IS" BASIS. CREATIVE COMMONS MAKES NO WARRANTIES REGARDING THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED HEREUNDER, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED HEREUNDER. Statement of Purpose The laws of most jurisdictions throughout the world automatically confer exclusive Copyri...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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