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.

Yahoo! Public License, Version 1.0 (YPL) This Yahoo! Public License (this "Agreement") is a legal agreement that describes the terms under which Yahoo! Inc., a Delaware corporation having its principal place of business at 701 First Avenue, Sunnyvale, California 94089 ("Yahoo!") will provide software to you via download or otherwise ("Software"). By using the Software, you, an individual or an entity ("You") agree to the terms of this Agreement. In consideration of the mutual promises and upon the terms and conditions set forth below, the parties agree as follows: Grant of Copyright License 1.1 - Subject to the...

Secure Messaging Protocol (SMP) Libraries [ACL, CML, SFL] Distribution Rights All source code for the SMP is being provided at no cost and with no financial limitations regarding its use and distribution. Organizations can use the SMP without paying any royalties or licensing fees. The SMP was originally developed by the U.S. Government. BAE Systems is enhancing and supporting the SMP under contract to the U.S. Government. The U.S. Government is furnishing the SMP software at no cost to the vendor subject to the conditions of the SMP Public License provided with the SMP software. 29 May 2002 Secure Messaging Protocol (SMP) Public License The United States Government/Department of Defense/National Security Agency/Office of Ne...

OpenContent License (OPL) Version 1.0, July 14, 1998. This document outlines the principles underlying the OpenContent (OC) movement and may be redistributed provided it remains unaltered. For legal purposes, this document is the license under which OpenContent is made available for use. The original version of this document may be found at http://www.opencontent.org/opl.shtml LICENSE Terms and Conditions for Copying, Distributing, and Modifying Items other than copying, distributing, and modifying the Content with which this license was distributed (such as using, etc.) are outside the scope of this license. 1. You may copy and distribute exact replicas of the OpenContent (OC) as you receive it, in any me...

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 ...

Copyright (C) 2007, 2008, 2009, 2010 Karl Berry. Copyright (C) 1988, 1994, 2007 Stephen Gilmore. Copyright (C) 1994, 1995, 1996 Torsten Martinsen. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions.

People : Open Source Enthusiasts

A collection of open source and copyleft license writers.

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