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License compatibility is a legal framework that allows for pieces of software with different software licenses to be distributed together. The need for such a framework arises because the different licenses can contain contradictory requirements, rendering it impossible to legally combine source code from separately-licensed software in order to create and publish a new program.[1][2][failed verification] Proprietary licenses are generally program-specific and incompatible; authors must negotiate to combine code. Copyleft licenses are commonly deliberately incompatible with proprietary licenses, in order to prevent copyleft software from being re-licensed under a proprietary license, turning it into proprietary software. Many copyleft licenses explicitly allow relicensing under some other copyleft licenses. Permissive licenses are (with minor exceptions) compatible with everything, including proprietary licenses; there is thus no guarantee that all derived works will remain under a permissive license.[3]
^O'Riordan, Ciaran (10 November 2006). "How GPLv4 tackles license proliferation". LinuxDevices.com. Archived from the original on 18 December 2007.
^Neary, Dave (15 February 2012). "Gray areas in software licensing". LWN.net. Eklektix. Retrieved 27 February 2016.
^Stallman, Richard (29 December 2021). "License Compatibility and Relicensing". GNU. Archived from the original on 24 October 2023.
and 22 Related for: License compatibility information
Licensecompatibility is a legal framework that allows for pieces of software with different software licenses to be distributed together. The need for...
similar to most permissive licenses. In general permissive licenses have good licensecompatibility with most other software licenses in most situations. Due...
restrictions on reuse and therefore has high licensecompatibility. Unlike copyleft software licenses, the MIT License also permits reuse within proprietary...
also never seen a licensecompatibility chart for permissive licenses; it seems that they are all compatible. "Licence Compatibility and Interoperability"...
increasingly complex license selection, license interaction, and licensecompatibility considerations. Often when a software developer would like to merge...
between different pieces of computer hardware Licensecompatibility, of software licenses Pin compatibility, in devices that have the same functions assigned...
improved compatibility with several free software licenses such as the Apache License, version 2.0, and the GNU Affero General Public License, which GPLv2...
compatibility, the new license allows the initial contributor to a new project to opt in to a secondary license that provides explicit compatibility with...
Attribution License (ODC-By) Open Database License (ODC-ODbL) European Union European Union Public Licence LicensecompatibilityLicense proliferation...
copyright law and CC licenses are applicable, the CC recommends against using it in software specifically due to backward-compatibility limitations with existing...
project also has a complicated license history due to licensecompatibility: in 2007 it decided for licensecompatibility reasons to not upgrade to the...
produced the Apache License 2.0. The stated goals of the license included making it easier for non-ASF projects to use, improving compatibility with GPL-based...
copyleft licenses include the GNU General Public License (GPL), originally written by Richard Stallman, which was the first software copyleft license to see...
15, 2012. Retrieved October 14, 2005. "Remixing OER: A guide to LicenseCompatibility" (PDF). CC Learn Explanations. Creative Commons. Archived from the...
European Union, while retaining compatibility with popular free software licences such as the GNU General Public License. The first IDABC software packages...
A software license is a legal instrument (usually by way of contract law, with or without printed material) governing the use or redistribution of software...
the Free Art License). In 2007, version 1.3 of the Free Art License was amended to provide greater legal certainty and optimum compatibility with other...
notable for its excellent licensecompatibility with other FOSS licenses due to a relicensing clause, a property other licenses like the GPL lack. You may...
the other hand, this clause led to licensecompatibility problems of the JSON license with other open-source licenses, as open-source software and free...
version 2.0 nearing the goals of greater simplicity and better compatibility with other licenses. The MPL defines rights as passing from "contributors", who...
main license, additionally to the previously used GNU Free Documentation License (which was made compatible). An improved licensecompatibility with the...
command line compatibility with cdrecord and is available in many Linux distributions. Gentoo Linux is unaffected, as the potential licensing issue only...
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