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Last modified by chrisby on 2025/01/11 10:03
From version 2.84
edited by chrisby
on 2025/01/08 11:17
Change comment: There is no comment for this version
To version 2.86
edited by chrisby
on 2025/01/08 11:20
Change comment: There is no comment for this version

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49 49  
50 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 a common understanding is that it means a new work based on the original copyleft code that incorporates it at the source level. 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.
51 51  
52 -**OSI Position**
52 +**License Preferences**
53 53  
54 -The OSI aims to maximize the contributions and impact of open source by being open to a variety of open source licenses. Permissive licenses have become very popular in recent years, especially in commercial contexts, but OSI is open to also choose copyleft licenses when the developers want to ensure that derivative works remain open and free. The FSF on the other tolerate all open source licenses, but has a string preference for copyleft licenses, as all software should be protected from their point of view.
54 +The OSI aims to maximize the contributions and impact of open source by being open to all open source licenses. Permissive licenses have become very popular in recent years, especially in commercial contexts, but the OSI is open to choosing copyleft licenses if developers want to ensure that derivative works remain open and free. The FSF, on the other hand, tolerates all open source licenses, but has a strong preference for copyleft licenses, believing that all software should be protected in this way.
55 55  
56 56  **User Behavior**
57 57  
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61 61  
62 62  **Do permissive or copyleft licenses provide the most freedom?**
63 63  
64 -* The answer depends on your definition of freedom. Permissive licenses emphasize freedom of choice, allowing you to do whatever you want with the code, including reusing it in proprietary products. Copyleft licenses emphasize user freedom in a more political sense by ensuring that derivative works remain free and open, and by protecting users from proprietary restrictions that could violate the four essential software freedoms. Thus, both permissive and copyleft licenses provide freedom, but they focus on different aspects of it.
64 +* The answer depends on your definition of freedom. Permissive licenses emphasize freedom of choice, allowing you to do whatever you want with the code, including reusing it in proprietary products. Copyleft licenses emphasize user freedom in a more political sense by ensuring that derivative works remain free and open, and by protecting users from proprietary restrictions that could violate the four essential software freedoms. Thus, permissive and copyleft licenses provide freedom, but they focus on different aspects of it.
65 65  
66 66  **Does a permissive or copyleft project lead to more contributions?**
67 67