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.

Free Art license [ Copyleft Attitude ] Version 1.1 Preamble: With this Free Art license, you are given the right to freely copy, distribute and transform the artworks in the respect of the rights of the author. Far from ignoring the rights of the author, this license recognizes them and protects them. It reformulates their principle while making it possible for the public to make a creative use of the works of art. Whereas the use that is being made of the right to litterary and artistic property resulted in a restriction of the public's access to the works of art, the goal of the Free Art license is to support it. The intention is to open the access and to authorize the use of the resources of an artwork by the greatest number of pe...

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...

Ruby is copyrighted free software by Yukihiro Matsumoto . You can redistribute it and/or modify it under either the terms of the 2-clause BSDL (see the file BSDL), or the conditions below: 1. You may make and give away verbatim copies of the source form of the software without restriction, provided that you duplicate all of the original copyright notices and associated disclaimers. 2. You may modify your copy of the software in any way, provided that you do at least ONE of the following: a) place your modifications in the Public Domain or otherwise make them Freely Available, such as by posting said modifications to Usenet or an equivalent medium, or by allowing the author to include your modifications in the software. ...

European Union Public Licence V. 1.1 EUPL (c) the European Community 2007 This European Union Public Licence (the "EUPL") applies to the Work or Software (as defined below) which is provided under the terms of this Licence. Any use of the Work, other than as authorised under this Licence is prohibited (to the extent such use is covered by a right of the copyright holder of the Work). The Original Work is provided under the terms of this Licence when the Licensor (as defined below) has placed the following notice immediately following the copyright notice for the Original Work: Licensed under the EUPL V.1.1 or has expressed by any other mean his willingness to license under the EUPL. 1. Definitions In this Licence,...

Software License for MTL Copyright (c) 2007 The Trustees of Indiana University. 2008 Dresden University of Technology and the Trustees of Indiana University. 2010 SimuNova UG (haftungsbeschränkt), www.simunova.com. All rights reserved. Authors: Peter Gottschling and Andrew Lumsdaine This file is part of the Matrix Template Library Dresden University of Technology -- short TUD -- and Indiana University -- short IU -- have the exclusive rights to license this product under the following license. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. All redistributions of source code must retain ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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