CopyLeft License : Every Open Source License

Microsoft Reciprocal License (Ms-RL)This license governs use of the accompanying software. If you use the software, you accept this license. If you do not accept the license, do not use the software.DefinitionsThe terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning here as under U.S. copyright law. A "contribution" is the original software, or any additions or changes to the software. A "contributor" is any person that distributes its contribution under this license. "Licensed patents" are a contributor's patent claims that read directly on its contribution.Grant of Rights(A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations in se...

RECIPROCAL PUBLIC LICENSE Version 1.1, November 1, 2002 Copyright (C) 2001-2002 Technical Pursuit Inc., All Rights Reserved. PREAMBLE This Preamble is intended to describe, in plain English, the nature, intent, and scope of this License. However, this Preamble is not a part of this License. The legal effect of this License is dependent only upon the terms of the License and not this Preamble. This License is based on the concept of reciprocity. In exchange for being granted certain rights under the terms of this License to Licensor's Software, whose Source Code You have access to, You are required to reciprocate by providing equal access and rights to all third parties to the Source Code of any Modifications, ...

ZPL 2.0 Zope Public License (ZPL) Version 2.0 This software is Copyright (c) Zope Corporation (tm) and Contributors. All rights reserved. This license has been certified as open source. It has also been designated as GPL compatible by the Free Software Foundation (FSF). Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions in source code must retain the above copyright notice, this list of conditions, and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions, and the following disclaimer in the documentati...

SENDMAIL LICENSE The following license terms and conditions apply, unless a redistribution agreement or other license is obtained from Sendmail, Inc., 6475 Christie Ave, Third Floor, Emeryville, CA 94608, USA, or by electronic mail at license@sendmail.com. License Terms: Use, Modification and Redistribution (including distribution of any modified or derived work) in source and binary forms is permitted only if each of the following conditions is met: 1. Redistributions qualify as "freeware" or "Open Source Software" under one of the following terms: (a) Redistributions are made at no charge beyond the reasonable cost of materials and delivery. (b) Redistributions are accompanied by a copy of the Source Code...

APPLE PUBLIC SOURCE LICENSE Version 1.1 - April 19, 1999 Please read this License carefully before downloading this software. By downloading and using this software, you are agreeing to be bound by the terms of this License. If you do not or cannot agree to the terms of this License, please do not download or use the software. 1. General; Definitions. This License applies to any program or other work which Apple Computer, Inc. ("Apple") publicly announces as subject to this Apple Public Source License and which contains a notice placed by Apple identifying such program or work as "Original Code" and stating that it is subject to the terms of this Apple Public Source License version 1.1 (or subsequent version thereof), as ...