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.

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...

Preamble:  This license aims at specifying the legal conditions of the re-use of public information that is freely reusable.  It particularly specifies the rights to adapt the public information with a view to a commercial activity or not. The rights conceded by the present license do not imply any transfer of property right on the public information.  It aims at facilitating the re-use of public information in the context of the development of the information society.  According to Article 8 of the 17th November 2003 2003/98/CE directive “The state institutions may authorize the re-use of documents without any conditions or may impose conditions, possibly by the means of a license which would deal with relevant questions. Th...

This program is free software; you can redistribute it freely. Use it at your own risk; there is NO WARRANTY. Redistribution of modified versions is permitted provided that the following conditions are met: 1. All copyright & permission notices are preserved. 2.a) Only changes required for packaging or porting are made. or 2.b) It is clearly stated who last changed the program. The program is renamed or the version number is of the form x.y.z, where x.y is the version of the original program and z is an arbitrary suffix.

Copyright (c) 1988-1997 Sam Leffler Copyright (c) 1991-1997 Silicon Graphics, Inc. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that (i) the above copyright notices and this permission notice appear in all copies of the software and related documentation, and (ii) the names of Sam Leffler and Silicon Graphics may not be used in any advertising or publicity relating to the software without the specific, prior written permission of Sam Leffler and Silicon Graphics. THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FO...

Open Software License v. 2.1 This Open Software License (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor") has placed the following notice immediately following the copyright notice for the Original Work: Licensed under the Open Software License version 2.1 1) Grant of Copyright License. Licensor hereby grants You a world-wide, royalty-free, non-exclusive, perpetual, sublicenseable license to do the following: to reproduce the Original Work in copies; to prepare derivative works ("Derivative Works") based upon the Original Work; to distribute copies of the Original Work and Derivative Works to the public, with the proviso that copies of Original Work or Derivative W...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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