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) 2009 Massachusetts Institute of Technology All Rights Reserved. Scratch was developed by Lifelong Kindergarten group at the MIT Media Lab. See scratch.mit.edu. Permission is hereby granted, free of charge, to any person obtaining a copy of the Scratch source code and accompanying documentation (the "Software"), to use, copy, modify, merge, publish, or distribute the Software or software derived from it ("Derivative Works") for non-commercial purposes, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 1. The above copyright notice and this permission notice shall be included in all copies of the Software and Derivative Works. 2. The word "Scratch" shall not be...

OPaC Free Public License Copyright © 1997-1998, OPaC bright ideas, Suscévaz, Switzerland. All rights reserved. OPaC bright ideas (the "Licenser") is the owner of a computer software program known as the OPaC Class Library ("OPaC"). The OPaC Free Public License (this "License") applies to OPaC and to any translation or modification of this software program ("Derivative Works"). Hereinafter, translation is included without limitation in the term "modification". Each licensee is addressed as "you". "Program" will refer to any work that you distribute or publish, that in whole or in part contains or is derived from OPaC or any part thereof. OPaC is a copyrighted work whose copyright is held by the Licenser. By m...

Software developed by ISC is released under the ISC License, whose text is shown below. The ISC License is registered with and approved by the Open Source Initiative.   Text of the ISC License: Copyright © 2004-2011 by Internet Systems Consortium, Inc. ("ISC") Copyright © 1995-2003 by Internet Software Consortium   Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL,...

Open Software License v. 2.0 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 2.0 1) Grant of Copyright License. Licensor hereby grants You a world-wide, royalty-free, non-exclusive, perpetual, sublicenseable license to do the following: a) to reproduce the Original Work in copies; b) to prepare derivative works ("Derivative Works") based upon the Original Work; c) to distribute copies of the Original Work and Derivative Works to the public, with the proviso that copies of Original Work or Deri...

Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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