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The Apple Public Source License (APSL) is the open-source and free software license under which Apple's Darwin operating system was released in 2000. A free and open-source software license was voluntarily adopted to further involve the community from which much of Darwin originated.
- GPL
The GNU General Public License (GNU GPL or simply GPL) is a...
- GPL
Although some parts of iOS are open source under the Apple Public Source License and other licenses, iOS is proprietary software. Major versions of iOS are released annually. The current stable version, iOS 17, was released to the public on September 18, 2023.
- June 29, 2007; 16 years ago
- Apple Inc.
- 17.0.3 (October 4, 2023; 1 day ago) [±]
1. General; Definitions. This License applies to any program or other work which Apple Inc. ("Apple") makes publicly available 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 2.0 ("License").
- Background
- Types
- Enforcement
- Public Domain Software
- Limitations
Intellectual property (IP) is a legal category that treats creative output as property, comparable to private property. Legal systems grant the owner of an IP the right to restrict access in many ways. Owners can sell, lease, gift, or license their properties. Multiple types of IP law cover software including trademarks, patents, and copyrights. Mo...
Open-source licenses are categorized as copyleft or permissive. Copyleft licenses require derivative works to include source codeunder a similar license. Permissive licenses do not, and therefore the code can be used within proprietary software. Copyleft can be further divided into strong and weak depending on whether they define derivative works b...
Free and open-source software licenses have been successfully enforced in civil court since the mid-2000s. In a pair of early lawsuits—Jacobsen v. Katzer in the United States and Welte v. Sitecom in Germany—defendants argued that open-source licenses were invalid. Sitecom and Katzer separately argued that the licenses were unenforceable. Both the U...
When a copyright expires, the work enters the public domain, and is freely available to anyone. Some creative works are not covered by copyright and enter directly into the public domain. In the early history of computing, this applied to software. Early computer software was often given away with hardware. Developed initially at MIT, the pioneerin...
One limitation of open-source licensing, exacerbated by cloud computing, is that a developer cannot prevent another business from commercializing the software. With cloud computing, a vendor hosts the software, and their end users do not have to download, access, or even know about the code in use. Since 2010, the cloud model has grown in prominenc...
A permissive software license, sometimes also called BSD-like or BSD-style license, [1] is a free-software license which instead of copyleft protections, carries only minimal restrictions on how the software can be used, modified, and redistributed, usually including a warranty disclaimer.
Apple Public Source License (en español licencia de fuente pública de Apple) es la licencia de código abierto y de software libre bajo la cual se publicó el sistema operativo de la empresa estadounidense Apple, Darwin.
