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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. Proprietary software may either be closed-source software or source-available software. [1] [2]
Software license. 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" ( Freeware ). A software license is a legal instrument governing the use or ...
Under a FOSS business model, software vendors may charge a fee for distribution [4] and offer paid support and software customization services. Proprietary software uses a different business model, where a customer of the proprietary software pays a fee for a license to use the software. This license may grant the customer the ability to ...
[112] [113] Proprietary software has heavily integrated open-source code released under the Apache, BSD, and MIT licenses. [114] Open core is a business model where developers release a core piece of software as open source and monetize a product containing it as proprietary software. [115]
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 ...
FOSS licenses. 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 ...
The SPDX License List contains extra MIT license variations. Examples include: [1] MIT-advertising, a variation with an additional advertising clause. There is also the Anti-Capitalist Software License (ACSL), [21] built off of the MIT license. It is not Open Source, since it limits the permissions granted to individuals and organizations that ...
Proprietary software, on the other hand, tends to use a different business model, where a customer of the proprietary application pays a fee for a license to legally access and use it. This license may grant the customer the ability to configure some or no parts of the software themselves.