CopyLeft License : Every Open Source License

Yahoo! Public License, Version 1.1 (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...

This program, "bzip2", the associated library "libbzip2", and all documentation, are copyright (C) 1996-2010 Julian R Seward. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 3. Altered source versions must be plainly marked as such, and...

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...

GNU Simpler Free Documentation License Discussion Draft 1 of Version 1, 25 September 2006 THIS IS A DRAFT, NOT A PUBLISHED VERSION OF THE GNU SIMPLER FREE DOCUMENTATION LICENSE Copyright (C) 2000, 2002, 2006 Free Software Foundation, Inc. 51 Franklin Street, 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. 0. WHAT THIS LICENSE DOES The purpose of this License is to make a work of authorship free. This means giving all users the four essential freedoms: 0. The freedom to read, view, or use the work. 1. The freedom to change the work, with access to formats which make that convenient to do. ...

Academic Free License Version 1.2 This Academic Free License applies to any original work of authorship (the "Original Work") whose owner (the "Licensor") has placed the following notice immediately following the copyright notice for the Original Work: Licensed under the Academic Free License version 1.2 Grant of License. Licensor hereby grants to any person obtaining a copy of the Original Work ("You") a world-wide, royalty-free, non-exclusive, perpetual, non-sublicenseable license (1) to use, copy, modify, merge, publish, perform, distribute and/or sell copies of the Original Work and derivative works thereof, and (2) under patent claims owned or controlled by the Licensor that are embodied in the Original Work as furnish...