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Proprietary software is a subset of non-free software, a term defined in contrast to free and open-source software; non-commercial licenses such as CC BY-NC are not deemed proprietary, but are non-free.
In this scenario, one option is a proprietary software license, which allows the possibility of creating proprietary applications derived from it, while the other license is a copyleft free software/open-source license, thus requiring any derived work to be released under the same license. The copyright holder of the software then typically ...
Diagram of software under various licenses according to the FSF and their The Free Software Definition: on the left side "free software", on the right side "proprietary software". On both sides, and therefore mostly orthogonal, "free download" . A software license is a legal instrument governing the use or redistribution of software.
This table lists for each license what organizations from the FOSS community have approved it – be it as a "free software" or as an "open source" license – , how those organizations categorize it, and the license compatibility between them for a combined or mixed derivative work. Organizations usually approve specific versions of software ...
While such software often later becomes open source software or public domain, other constructs and software licenses exist, for instance shared source or creative commons licenses. [1] [2] If the source code is given out without specified license or public domain waiver it has legally to be considered as still proprietary due to the Berne ...
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.
While less common than commercial proprietary software, free and open-source software may also be commercial software in the free and open-source software (FOSS) domain. But unlike the proprietary model, commercialization is achieved in the FOSS commercialization model without limiting the users in their capability to share, reuse and duplicate software freely.
One of the first examples of digital commons is the Free Software movement, founded in the 1980s by Richard Stallman as an organized attempt to create a digital software commons. Inspired by the 70s programmer culture of improving software through mutual help, Stallman's movement was designed to encourage the use and distribution of free ...