Verified70% confidenceFactExact time
Copyleft licenses (such as GPL, LGPL, and AGPL) require that derivative works be released under the same or compatible open-source licenses.
4
Sources
70%
Confidence
Long-term
Relevance
8/4/2026
First Seen
Sources
MIT许可证能用于闭源代码吗？完整解析
Related Claims
UnverifiedThe GPL (GNU General Public License) sets the condition that anyone may freely use, modify, and distribute the code, but must release derivative works under the same license — the "Copyleft" mechanism.78% similarUnverifiedCopyleft licenses require that any derivative works based on the original code must also be released under the same license terms, which is known as the "viral" property.77% similarUnverifiedIf generated code snippets are highly similar to projects using strong copyleft licenses such as GPL or AGPL, it may trigger license infection risks, forcing enterprises to open-source their proprietary code.75% similarUnverifiedMPL (Mozilla Public License) is a weak copyleft license that requires modifications to MPL-licensed files to be contributed back under the same license, but permits combination with proprietary code.72% similarUnverifiedIf a work does not qualify for copyright protection in the first place, attaching standard open-source licenses such as MIT or GPL to it is logically contradictory, because one cannot grant rights one does not hold.71% similar
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