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.

Contents Preamble Warranty Distribution Notes LPPL Version 1.0 1999-03-01 Copyright 1999 LaTeX3 Project Everyone is permitted to copy and distribute verbatim copies of this license document, but modification is not allowed. PREAMBLE The LaTeX Project Public License (LPPL) is the license under which the base LaTeX distribution is distributed. As described below you may use this licence for any software that you wish to distribute. It may be particularly suitable if your software is TeX related (such as a LaTeX package file) but it may be used for any software, even if it is unrelated to TeX. To use this license, the files of your distribution ...

Open Directory License The Open Directory is a compilation of many different editors' contributions.  Netscape Communications Corporation (`Netscape') owns the copyright to the compilation of the different contributions, and makes the Open Directory available to you to use under the following license agreement terms and conditions (`Open Directory License').  For purposes of this Open Directory License, `Open Directory' means only the Open Directory Project currently hosted at http://dmoz.org (or at another site as may be designated by Netscape in the future), and does not include any other versions of directories, even if referred to as an `Open Directory,' that may be hosted by Netscape on other web pages (e.g., Netscape N...

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...

Copyright (C) 2000-2008 Carsten Haitzler, Geoff Harrison and various contributors Copyright (C) 2004-2008 Kim Woelders Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies of the Software, its documentation and marketing & publicity materials, and acknowledgment shall be giv...

1. Definitions "Credit/Crediting" (Attribution) means acknowledging the Original Authors and/or Licensors of any Works and/or Derivative Work that You Share; "Derivative Work" means any work created by the editing, adaptation or translation of the Work in any media or any work made up of a number of separate works in which the Work is included in its entirety in unmodified form; "Licence" means this Creative Archive licence for use within the UK;   "Logo" means the Creative Archive Licence logo attached to or incorporated in the Work;   "No-Endorsement" means that You must not use the Work and/or Derivative Work in any way that would suggest or imply the Licensor's support, association or approval; "Non-Com...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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