CopyLeft License : Every Open Source License

Eiffel Forum License, version 2 Permission is hereby granted to use, copy, modify and/or distribute this package, provided that: copyright notices are retained unchanged, any distribution of this package, whether modified or not, includes this license text. Permission is hereby also granted to distribute binary programs which depend on this package. If the binary program depends on a modified version of this package, you are encouraged to publicly release the modified version of this package. *********************** THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT WARRANTY. ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ...

This program is free software; you can redistribute it freely. Use it at your own risk; there is NO WARRANTY. Redistribution of modified versions is permitted provided that the following conditions are met: 1. All copyright & permission notices are preserved. 2.a) Only changes required for packaging or porting are made. or 2.b) It is clearly stated who last changed the program. The program is renamed or the version number is of the form x.y.z, where x.y is the version of the original program and z is an arbitrary suffix.

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...

GL2PS LICENSE Version 2, November 2003 Copyright (C) 2003, Christophe Geuzaine Permission to use, copy, and distribute this software and its documentation for any purpose with or without fee is hereby granted, provided that the copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. Permission to modify and distribute modified versions of this software is granted, provided that: 1) the modifications are licensed under the same terms as this software; 2) you make available the source code of any modifications that you distribute, either on the same media as you distribute any executable or other form of this software, or via a mechanism generally a...

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. ...