CopyLeft License : Every Open Source License

German Free Software License (c) Ministry of Science and Research, State of North-Rhine Westphalia 2004 Developed and created by Axel Metzger and Till Jaeger, Institut für Rechtsfragen der Freien und Open Source Software (Institute for Legal Issues On Free and Open Source Software), . Preamble Software is more than a mere economic asset. It is the technical foundation of the information society. Therefore, the issue of the public share in software is of particular importance. Conventionally licensed computer programs are distributed in object code form only, and the user is not entitled to modify or pass on the program to third parties. The license model for Free Software (synonym "Open Source Software"), however...

The Open Software License v. 1.1 This Open Software License (the "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 Open Software License version 1.1 1) Grant of Copyright License. Licensor hereby grants You a world-wide, royalty-free, non-exclusive, perpetual, non-sublicenseable license to do the following: a) to reproduce the Original Work in copies; b) to prepare derivative works ("Derivative Works") based upon the Original Work; c) to distribute copies of the Original Work and Derivative Works to the public, with the proviso that copies of...

The Educational Community License This Educational Community License (the "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: Copyright (c) Licensed under the Educational Community License version 1.0 This Original Work, including software, source code, documents, or other related items, is being provided by the copyright holder(s) subject to the terms of the Educational Community License. By obtaining, using and/or copying this Original Work, you agree that you have read, understand, and will comply with the following terms and conditions of the Educational Community License...

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 using DOC software that you release. No copyright statement needs to be provided if you just ship...

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 ...