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Jacobsen made code available for public download under an open source public license, Artistic License 1.0, which Katzer copied into their own commercial software products without recognizing the code's source. Jacobsen argued that the terms of the license defined the scope of the code's potential uses and that use outside these restrictions ...
The Jacobsen case is noteworthy in United States copyright law because Courts clarified the enforceability of licensing agreements on both open-source software and proprietary software. The case established the rule of law that terms and conditions of the Artistic License 1.0 are "enforceable copyright conditions". [3]
The Version 2 of the GNU General Public License [14] of 1991 also says that patents convert free software to proprietary software: "Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program ...
FOSS stands for "Free and Open Source Software". There is no one universally agreed-upon definition of FOSS software and various groups maintain approved lists of licenses. The Open Source Initiative (OSI) is one such organization keeping a list of open-source licenses. [1] The Free Software Foundation (FSF) maintains a list of what it ...
The court found the GPL license was an enforceable contract and Hancom was in breach of contract. [91] [92] On 20 July 2021, the developers of the open-source Stockfish chess engine sued ChessBase, a creator of chess software, for violating the GPLv3 license. [93]
Popular open source licenses include the Apache License, the MIT License, the GNU General Public License (GPL), the BSD Licenses, the GNU Lesser General Public License (LGPL) and the Mozilla Public License (MPL). Open-source licenses are software licenses that allow content to be used, modified, and shared. They facilitate free and open-source ...
Many companies began to claim that they "licensed" but did not sell their products, in order to avoid the transfer of rights to the end-user via the doctrine of first sale (see Step-Saver Data Systems, Inc. v. Wyse Technology). These software license agreements are often labeled as end-user license agreements .
"Free and open-source software" (FOSS) is an umbrella term for software that is considered free software and/or open-source software. [1] The precise definition of the terms "free software" and "open-source software" applies them to any software distributed under terms that allow users to use, modify, and redistribute said software in any manner they see fit, without requiring that they pay ...