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.

Usage of the works is permitted provided that this instrument is retained with the works, so that any entity that uses the works is notified of this instrument. DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY. [2004, Fair License; rhid.com/fair]

The Cougaar Open Source License Agreement Copyright (c) 1999-2002 The Cougaar Group. All rights reserved.  This Cougaar Open Source License Agreement (the 'Agreement') sets forth the terms and conditions under which the Cougaar Software (as defined below), sponsored by the Defense Advanced Research Agency, will be licensed by BBNT Solutions, LLC ('BBN') or other identified copyright holder called ('Licensor') to you ('Licensee' or 'You'), and under which Derivative Works (as defined below) of Cougaar Software will be licensed by Licensee to Licensor and the Cougaar Group.  Definitions:   'Cougaar Software' means the Cognitive Agent Architecture software originally created and released by Licensor under this Agreement.  '...

THIS LICENSE IS APPROVED FOR GENERAL USE. PERMISSION TO DISTRIBUTE THIS LICENSE IS MADE BY WIZARDS OF THE COAST! OPEN GAME LICENSE Version 1.0a The following text is the property of Wizards of the Coast, Inc. and is Copyright 2000 Wizards of the Coast, Inc ("Wizards"). All Rights Reserved. 1. Definitions: (a)"Contributors" means the copyright and/or trademark owners who have contributed Open Game Content; (b)"Derivative Material" means copyrighted material including derivative works and translations (including into other computer languages), potation, modification, correction, addition, extension, upgrade, improvement, compilation, abridgment or other form in which an existing work may be recast, transformed or adapted; ...

Open Publication License v1.0, 8 June 1999 I. REQUIREMENTS ON BOTH UNMODIFIED AND MODIFIED VERSIONS The Open Publication works may be reproduced and distributed in whole or in part, in any medium physical or electronic, provided that the terms of this license are adhered to, and that this license or an incorporation of it by reference (with any options elected by the author(s) and/or publisher) is displayed in the reproduction. Proper form for an incorporation by reference is as follows: Copyright (c) by

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People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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