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) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved. License to copy and use this software is granted provided that it is identified as the "RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing this software or this function. License is also granted to make and use derivative works provided that such works are identified as "derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing the derived work. RSA Data Security, Inc. makes no representations concerning either the merchantability of this software or the suitability of this software for any particular purpose. It is provided "as is" without expres...

Copyright (C) 2000 Carsten Haitzler and various contributors (see AUTHORS) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies of the Software and its Copyright notices. In addition publicly documented acknowledgment must be given that this software has been used if no source...

COPYRIGHT NOTIFICATION (C) COPYRIGHT 2004 UNIVERSITY OF CHICAGO This program discloses material protectable under copyright laws of the United States. Permission to copy and modify this software and its documentation is hereby granted, provided that this notice is retained thereon and on all copies or modifications. The University of Chicago makes no representations as to the suitability and operability of this software for any purpose. It is provided "as is"; without express or implied warranty. Permission is hereby granted to use, reproduce, prepare derivative works, and to redistribute to others, so long as this original copyright notice is retained. Any publication resulting from research that made use of this software should cit...

Download License for Freeware Add-Ons Software AG License Terms, Version 1.3 1. Objective Software AG provides free of charge add-on Software ("Program") on its Community Source Web Site (the "Site"). The Program is created by Software AG and is intended to be used only in addition to the Software AG product line Tamino, which is available under a separate license agreement. By downloading the Program you accept the terms of this present agreement ("License"). Software AG provides the Program in binary form ("Object Code") on the Site. 2. Grant of Rights Software AG hereby grants you a non-exclusive copyright license to use, reproduce, modify, display, perform, distribute or sublicense the Program. Distribution an...

Free Art License [ Copyleft Attitude ] version 1.2 Preamble : With this Free Art License, you are authorised to copy, distribute and freely transform the work of art while respecting the rights of the originator. Far from ignoring the author's rights, this license recognises them and protects them. It reformulates their principle while making it possible for the public to make creative use of the works of art. Whereas current literary and artistic property rights result in restriction of the public's access to works of art, the goal of the Free Art License is to encourage such access. The intention is to make work accessible and to authorise the use of its resources by the greatest number of people: to use it in order to increase its...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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