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.

NETHACK GENERAL PUBLIC LICENSE (Copyright 1989 M. Stephenson) (Based on the BISON general public license, copyright 1988 Richard M. Stallman) Everyone is permitted to copy and distribute verbatim copies of this license, but changing it is not allowed. You can also use this wording to make the terms for other programs. The license agreements of most software companies keep you at the mercy of those companies. By contrast, our general public license is intended to give everyone the right to share NetHack. To make sure that you get the rights we want you to have, we need to make restrictions that forbid anyone to deny you these rights or to ...

Version 2.2, 1 March 2000 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 "OpenLDAP" must not be used to endorse or promote products derived from this Software without prior written permission of the OpenLDAP Foundation. 4. Products derived from this S...

Jabber Open Source License (Jabber has ceased to use or recommend this license) Version 1.0 This Jabber Open Source License (the "License") applies to Jabber Server and related software products as well as any updates or maintenance releases of that software ("Jabber Products") that are distributed by Jabber.Com, Inc. ("Licensor"). Any Jabber Product licensed pursuant to this License is a Licensed Product. Licensed Product, in its entirety, is protected by U.S. copyright law. This License identifies the terms under which you may use, copy, distribute or modify Licensed Product. Preamble This Preamble is intended to describe, in plain English, the nature and scope of this License. However, this Pre...

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...

BitTorrent Open Source License Version 1.1 This BitTorrent Open Source License (the "License") applies to the BitTorrent client and related software products as well as any updates or maintenance releases of that software ("BitTorrent Products") that are distributed by BitTorrent, Inc. ("Licensor"). Any BitTorrent Product licensed pursuant to this License is a Licensed Product. Licensed Product, in its entirety, is protected by U.S. copyright law. This License identifies the terms under which you may use, copy, distribute or modify Licensed Product. Preamble This Preamble is intended to describe, in plain English, the nature and scope of this License. However, this Preamble is not a part of this license. The legal effect of th...

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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