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.
Copyright and Licensing Information for ACE(TM), TAO(TM), CIAO(TM), DAnCE(TM), and CoSMIC(TM) ACE(TM), TAO(TM), CIAO(TM), DAnCE(TM), and CoSMIC(TM) (henceforth referred to as "DOC software") are copyrighted by Douglas C. Schmidt and his research group at Washington University, University of California, Irvine, and Vanderbilt University, Copyright (c) 1993-2009, all rights reserved. Since DOC software is open-source, freely available software, you are free to use, modify, copy, and distribute--perpetually and irrevocably--the DOC software source code and object code produced from the source, as well as copy and distribute modified versions of this software. You must, however, include this copyright statement along with any code built usi...
2002 (C) The Codehaus . All Rights Reserved. Redistribution and use of this software and associated documentation ("Software"), with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain copyright statements and notices. Redistributions must also contain a copy of this document. 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. The name "classworlds” must not be used to endorse or promote products derived from this Software without prior written permission of The Codehaus . For w...
EFF Open Audio License: Version 1.0 I. Preamble II. Terms of Use III. How to Use this License I. PREAMBLE Principles Digital technology and the Internet can empower artists to reach a worldwide audience and to build upon each other's ideas and imagination with extremely low production and distribution costs. Many software developers, through both the open source software initiative and the free software movement, have long taken advantage of these facts to create a vibrant community of shared software that benefits creators and the public. EFF's Open Audio License provides a legal tool that borrows from both movements providing freedom and openness to use music and other expressive works in new wa...
Open Directory License The Open Directory is a compilation of many different editors' contributions. Netscape Communications Corporation (`Netscape') owns the copyright to the compilation of the different contributions, and makes the Open Directory available to you to use under the following license agreement terms and conditions (`Open Directory License'). For purposes of this Open Directory License, `Open Directory' means only the Open Directory Project currently hosted at http://dmoz.org (or at another site as may be designated by Netscape in the future), and does not include any other versions of directories, even if referred to as an `Open Directory,' that may be hosted by Netscape on other web pages (e.g., Netscape N...
GNU GENERAL PUBLIC LICENSE Version 1, February 1989 Copyright (C) 1989 Free Software Foundation, Inc. 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The license agreements of most software companies try to keep users at the mercy of those companies. By contrast, our General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. The General Public License applies to the Free Software Foundation's software and to any other program whose authors commit to using it. You can use it for your programs, too. ...