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.

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...

Version 1.0.5 of 10 December 2007 Copyright © 1996-2007 Julian Seward This program, bzip2, the associated library libbzip2, and all documentation, are copyright © 1996-2007 Julian Seward. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. • The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but i...

EU DataGrid Software License (EUDatagrid) Copyright (c) 2001 EU DataGrid. All rights reserved. This software includes voluntary contributions made to the EU DataGrid. For more information on the EU DataGrid, please see http://www.eu-datagrid.org/. Installation, use, reproduction, display, modification and redistribution of this software, with or without modification, in source and binary forms, are permitted. Any exercise of rights under this license by you or your sub-licensees is subject to the following conditions: 1. Redistributions of this software, with or without modification, must reproduce the above copyright notice and the above license statement as well as this list of conditions, in the software, the user docum...

Name: (file name) Synopsis: (a 1-2 line description for software archivists.) Description: (a detailed description for software users.) Copyright (year) (your full name) The Wide Open License (WOL) Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice and this license appear in all source copies. THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. See http://www.dspguru.com/wol.htm for more information.

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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