CopyLeft License : Every Open Source License

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) 1998, 1999 Henry Spencer. All rights reserved. Development of this software was funded, in part, by Cray Research Inc., UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics Corporation, none of whom are responsible for the results. The author thanks all of them. Redistribution and use in source and binary forms - with or without modification - are permitted for any purpose, provided that redistributions in source form retain this entire copyright notice and indicate the origin and nature of any modifications. I'd appreciate being given credit for this package in the documentation of software which uses it, but that is not a requirement. THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLI...

GNU LIBRARY GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1991 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. [This is the first released version of the library GPL. It is numbered 2 because it goes with version 2 of the ordinary GPL.] Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This license, the Libra...

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. ...

LinuxTag Yellow OpenMusic License Draft v1.1, 22 April 2001 I. REQUIREMENTS ON BOTH UNMODIFIED AND MODIFIED VERSIONS The OpenMusic works may be reproduced and distributed in whole or in part, in any medium physical or electronic, provided that the terms of this license are adhered to, and that this license or an incorporation of it by reference (with any options elected by the author(s) and/or publisher) is displayed in the reproduction. Proper form for an incorporation by reference is as follows: Copyright (c) by

RealNetworks Public Source License Version 1.0 (Rev. Date October 28, 2002) 1. General Definitions. This License applies to any program or other work which RealNetworks, Inc., or any other entity that elects to use this license, ("Licensor") makes publicly available and which contains a notice placed by Licensor identifying such program or work as "Original Code" and stating that it is subject to the terms of this RealNetworks Public Source License version 1.0 (or subsequent version thereof) ("License"). You are not required to accept this License. However, nothing else grants You permission to use, copy, modify or distribute the software or its derivative works. These actions are prohibited by law if You ...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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