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]

Copyright (c) 1995-2012 by Arkkra Enterprises. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are 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. Any additions, deletions, or changes to the original files must be clearly indicated in accompanying documentation. including the reasons for the changes, and the names of those who made the ...

ALTERNATE ROUTE OPEN SOURCE LICENSE Version 1.1 Copyright © 1999-2001 Washington State Department of Transportation, Bridge and Structures Office Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.   With this License, the Bridge and Structures Office of the Washington State Department of Transportation (WSDOT) is supporting open source software concepts, while including appropriate warranty and liability provisions designed to protect itself from any claims relating to software program output. The following excerpt from the GNU General Public License is consistent with WSDOT's commitment to open source software. The licenses for most softwa...

RealNetworks Public Source License Version 1.0 (Rev. Date October 28, 2002) 1. General Definitions. This License applies to any program or other work which RealNetworks, Inc., or any other entity that elects to use this license, ("Licensor") makes publicly available and which contains a notice placed by Licensor identifying such program or work as "Original Code" and stating that it is subject to the terms of this RealNetworks Public Source License version 1.0 (or subsequent version thereof) ("License"). You are not required to accept this License. However, nothing else grants You permission to use, copy, modify or distribute the software or its derivative works. These actions are prohibited by law if You ...

The Physnet Package License Preamble The intent of this document is to state the conditions under which a Physnet Package may be copied, such that the Copyright Holder maintains some semblance of artistic control over the development of the package, while giving the users of the package the right to use and distribute the Package in a more-or-less customary fashion plus the right to make reasonable modifications. This document is a slight modification of one issued by Larry Wall (http://language.perl.com/misc/Artistic.html). Definitions "Package" refers to any collection of files distributed by the Copyright Holder, in whatever form, and derivatives of that collection of files created through textual or format modifi...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

Ramsey, Norman

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