Changes for page 3. Free Software and Open Source Software
Last modified by chrisby on 2025/01/11 10:03
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... ... @@ -47,7 +47,7 @@ 47 47 48 48 **Copyleft Licenses** 49 49 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 vague, but a common understanding is A derivativeworkis 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 reused in another project, the resulting work mustalsobe 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.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 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 52 **OSI Position** 53 53