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.

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...

Illinois Open Source License University of Illinois/NCSA Open Source License Copyright © ,    .  All rights reserved. Developed by: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal with 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: R

Please read the license carefully---it is somewhat like the GNU General Public License, but there are several conditions in it that differ from what you may be used to. If you have any questions, please email the LDP coordinator, Guylhem Aznar. Note: All Linux Documentation Project manuals are copyrighted by their respective authors. THEY ARE NOT IN THE PUBLIC DOMAIN. The Linux Documentation Project manuals (guides) may be reproduced and distributed in whole or in part, subject to the following conditions: The copyright notice above and this permission notice must be preserved complete on all complete or partial copies. Any translation or derivative work of Linux Installation and Gettin...

Copyright (c) 1995, 1996 Xerox Corporation. All Rights Reserved. Use and copying of this software and preparation of derivative works based upon this software are permitted. Any copy of this software or of any derivative work must include the above copyright notice of Xerox Corporation, this paragraph and the one after it. Any distribution of this software or derivative works must comply with all applicable United States export control laws. This software is made available AS IS, and XEROX CORPORATION DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND NOTWITHSTANDING ANY OTHER PROVISION CONTAINED HEREIN, ANY LIABILITY FOR DAMAGES...

Reciprocal Public License (RPL-1.5) Version 1.5, July 15, 2007 Copyright (C) 2001-2007 Technical Pursuit Inc., All Rights Reserved. PREAMBLE The Reciprocal Public License (RPL) is based on the concept of reciprocity or, if you prefer, fairness. In short, this license grew out of a desire to close loopholes in previous open source licenses, loopholes that allowed parties to acquire open source software and derive financial benefit from it without having to release their improvements or derivatives to the community which enabled them. This occurred any time an entity did not release their application to a "third party". While there is a certain freedom in this model of licensing, it struck the authors of the RPL as being unfai...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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