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.

-------------------------------------------------------------------- The PHP License, version 3.01 Copyright (c) 1999 - 2010 The PHP Group. All rights reserved. -------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without modification, is permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The name "P...

W3C Software Notice and License This work (and included software, documentation such as READMEs, or other related items) is being provided by the copyright holders under the following license. License By obtaining, using and/or copying this work, you (the licensee) agree that you have read, understood, and will comply with the following terms and conditions. Permission to copy, modify, and distribute this software and its documentation, with or without modification, for any purpose and without fee or royalty is hereby granted, provided that you include the following on ALL copies of the software and...

SGI FREE SOFTWARE LICENSE B (Version 1.1 [02/22/2000]) 1. Definitions. 1.1. "Additional Notice Provisions" means such additional provisions as appear in the Notice in Original Code under the heading "Additional Notice Provisions." 1.2. "Covered Code" means the Original Code or Modifications, or any combination thereof. 1.3. "Hardware" means any physical device that accepts input, processes input, stores the results of processing, and/or provides output. 1.4. "Larger Work" means a work that combines Covered Code or portions thereof with code not governed by the terms of this License. 1.5. "Licensable" means having the right to grant, to the maximum extent possible, whether at the time of the initial grant or subsequently ...

skyBuilders Open Source License Draft Version 1.1 Copyright (c) 1999-2002 skyBuilders.com, Inc. 77 Huron Avenue, Cambridge, MA 02138, USA. All rights reserved. (This license itself may be modified and adapted for non-skyBuilders purposes.) skyBuilders.com, Inc. and all Contributors hereby grant a world-wide, royalty-free, non-exclusive license, subject to third party intellectual property claims, to use, reproduce, modify, display, perform, sublicense and distribute this software (or portions thereof) with or without modifications, and/or as part of a larger work. Neither the name or trademarks of skyBuilders.com nor the names or trademarks of other Contributors may be used to endorse or promote products derived from this so...

Note that this license is not endorsed by the Free Software Foundation. It is available here as a convenience to readers of the license list. DESIGN SCIENCE LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION Copyright © 1999-2001 Michael Stutz <stutz@dsl.org> Verbatim copying of this document is permitted, in any medium. 0. PREAMBLE. Copyright law gives certain exclusive rights to the author of a work, including the rights to copy, modify and distribute the work (the "reproductive," "adaptative," and "distribution" rights). The idea of "copyleft" is to willfully revoke the exclusivity of those rights under certain terms and conditions, so that anyone can copy and distribute the work ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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