CopyLeft License : Every Open Source License

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]

Open Source License This license applies to all original software available from keithdevens.com unless the software is marked otherwise. This license is most like the Artistic License. I wrote this license separately and then discovered that the Artistic license has a similar philosophy. The code you have is Open Source. You have permission to use or modify the code for your own purposes: commercial, private, or educational. However, the author (me) retains ownership (copyright) over the code - it is not public domain. The unmodified source may be redistributed with no restrictions, provided that all files in the original distribution are included and unchanged. The modified source may be redistributed under the foll...

Tcl/Tk License Terms This software is copyrighted by the Regents of the University of California, Sun Microsystems, Inc., Scriptics Corporation, and other parties. The following terms apply to all files associated with the software unless explicitly disclaimed in individual files. The authors hereby grant permission to use, copy, modify, distribute, and license this software and its documentation for any purpose, provided that existing copyright notices are retained in all copies and that this notice is included verbatim in any distributions. No written agreement, license, or royalty fee is required for any of the authorized uses. Modifications to this software may be copyrighted by their authors and need not follow the lice...

Noweb is copyright 1989-2000 by Norman Ramsey. All rights reserved. Noweb is protected by copyright. It is not public-domain software or shareware, and it is not protected by a ``copyleft'' agreement like the one used by the Free Software Foundation. Noweb is available free for any use in any field of endeavor. You may redistribute noweb in whole or in part provided you acknowledge its source and include this COPYRIGHT file. You may modify noweb and create derived works, provided you retain this copyright notice, but the result may not be called noweb without my written consent. You may sell noweb if you wish. For example, you may sell a CD-ROM including noweb. You may sell a derived work, provided that all source code for your...

MOZILLA PUBLIC LICENSEVersion 1.0 1. Definitions. 1.1. ``Contributor'' means each entity that creates or contributes to the creation of Modifications. 1.2. ``Contributor Version'' means the combination of the Original Code, prior Modifications used by a Contributor, and the Modifications made by that particular Contributor. 1.3. ``Covered Code'' means the Original Code or Modifications or the combination of the Original Code and Modifications, in each case including portions thereof. 1.4. ``Electronic Distribution Mechanism'' means a mechanism generally accepted in the software development community for the electronic transfer of data. 1.5. ``Executable'' means Co...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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