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 Version 1.3, February 1, 2006 Copyright (C) 2001-2006 Technical Pursuit Inc., All Rights Reserved. PREAMBLE This Preamble is intended to describe, in plain English, the nature, intent, and scope of this License. However, this Preamble is not a part of this License. The legal effect of this License is dependent only upon the terms of the License and not this Preamble. This License is based on the concept of reciprocity. In exchange for being granted certain rights under the terms of this License to Licensor's Software, whose Source Code You have access to, You are required to reciprocate by providing equal access and rights to all third parties to the Source Code of any Modifications,...

Yahoo! Public License, Version 1.0 (YPL) This Yahoo! Public License (this "Agreement") is a legal agreement that describes the terms under which Yahoo! Inc., a Delaware corporation having its principal place of business at 701 First Avenue, Sunnyvale, California 94089 ("Yahoo!") will provide software to you via download or otherwise ("Software"). By using the Software, you, an individual or an entity ("You") agree to the terms of this Agreement. In consideration of the mutual promises and upon the terms and conditions set forth below, the parties agree as follows: Grant of Copyright License 1.1 - Subject to the...

Attribution-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 ...

Copyright (C) 2007, 2008, 2009, 2010 Karl Berry. Copyright (C) 1988, 1994, 2007 Stephen Gilmore. Copyright (C) 1994, 1995, 1996 Torsten Martinsen. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions.

Eiffel Forum License, version 1 Permission is hereby granted to use, copy, modify and/or distribute this package, provided that: - copyright notices are retained unchanged - any distribution of this package, whether modified or not, includes this file Permission is hereby also granted to distribute binary programs which depend on this package, provided that: - if the binary program depends on a modified version of this package, you must publicly release the modified version of this package THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT WARRANTY. ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SH...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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