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.

Preamble:  This license aims at specifying the legal conditions of the re-use of public information that is freely reusable.  It particularly specifies the rights to adapt the public information with a view to a commercial activity or not. The rights conceded by the present license do not imply any transfer of property right on the public information.  It aims at facilitating the re-use of public information in the context of the development of the information society.  According to Article 8 of the 17th November 2003 2003/98/CE directive “The state institutions may authorize the re-use of documents without any conditions or may impose conditions, possibly by the means of a license which would deal with relevant questions. Th...

February 2002 Preamble -------- The Berkeley Software Distribution ("BSD") license has proven very effective over the years at allowing for a wide spread of work throughout both commercial and non-commercial products. For programmers whose primary intention is to improve the general quality of available software, it is arguable that there is no better license than the BSD license, as it permits improvements to be used wherever they will help, without idealogical or metallic constraint. This is of particular value to those who produce reference implementations of proposed standards: The case of TCP/IP clearly illustrates that freely and universally available implementations leads the rapid acceptance of standards -- often even be...

The OpenLDAP Public License Version 1.4, 18 January 1999 Copyright 1998-1999, The OpenLDAP Foundation. All Rights Reserved. Note: This license is derived from the "Artistic License" as distributed with the Perl Programming Language. As significant differences exist, the complete license should be read. PREAMBLE The intent of this document is to state the conditions under which a Package may be copied, such that the Copyright Holder maintains some semblance of artistic control over the development of the package, while giving the users of the package the right to use and distribute the Package in a more-or-less customary fashion, plus the right to make reasonable modifications. Definitions: "Package" refers to...

Copyright (c) 1999-2002 Henrik Theiling Licence Version 2 This software is provided 'as-is', without warranty of any kind, express or implied. In no event will the authors or copyright holders 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. 2. Altered source versions must be plainly marked...

Attribution Assurance License Copyright (c) 2002 by AUTHOR PROFESSIONAL IDENTIFICATION * URL "PROMOTIONAL SLOGAN FOR AUTHOR'S PROFESSIONAL PRACTICE" All Rights Reserved ATTRIBUTION ASSURANCE LICENSE (adapted from the original BSD license) Redistribution and use in source and binary forms, with or without modification, are permitted provided that the conditions below are met. These conditions require a modest attribution to (the "Author"), who hopes that its promotional value may help justify the thousands of dollars in otherwise billable time invested in writing this and other freely available, open-source software. 1. Redistributions of source code, in whole or part and with or without modification (the "Code"), must pro...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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