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Last modified by chrisby on 2025/01/11 10:03
From version 2.115
edited by chrisby
on 2025/01/08 13:40
Change comment: There is no comment for this version
To version 2.89
edited by chrisby
on 2025/01/08 13:12
Change comment: There is no comment for this version

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47 47  
48 48  **Copyleft Licenses**
49 49  
50 -To address problems with proprietary software, the FSF promotes copyleft licenses, like the AGPL license, which require that any derivative works remain under the same license. The notion of “derivative work” is somewhat vague in legal terms, but a common interpretation is that software depending on AGPL code to function is a derivative work.
50 +To address the problems with proprietary software, the FSF primarily promotes copyleft licenses, which require that any derivative works of the software be licensed under the same terms as the original code. The term "derivative work" is legally somewhat vague, but here is a common understanding:
51 51  
52 -For instance, if a project directly incorporates AGPL source code or relies on an AGPL library, it must adopt the AGPL license for its entire codebase. Similarly, when software calls an external AGPL service over a network, the software is typically not a derivative work if that service is purely optional. However, if the service is essential and the software won’t function without it, even if the AGPL code is hosted externally, the software is still considered a derivative work. Attempting to “bypass” the AGPL by outsourcing essential functions in a network service will not avoid the license requirements.
52 +* When a software uses the source code directly in order to build, that means using a AGPlibrary
53 53  
54 -In summary, this copyleft license ensures that whenever AGPL code is reused, or when contributions are made to existing copyleft code, the resulting work must remain open source. Athe  also guarantees that the source code is available so users can modify, build, and control the software themselves.
54 +This ensures that when contributions are made to a copyleft project, or when copyleft code is directly reused in another project, the resulting work must be released under the same copyleft license. This prevents vendors from incorporating copyleft code into proprietary products, and ensures that any derivative works remain open source. In addition, copyleft licenses require that the source code be made available to users so that they can modify, build, and control the software themselves.
55 55  
56 56  **License Preferences**
57 57