Unverified50% confidenceFactExact time
Open-source licenses such as Creative Commons (CC BY, CC BY-SA) or MIT can clarify reuse rights; if none is declared, all rights are reserved by default.
1
Sources
50%
Confidence
Long-term
Relevance
10/25/2026
First Seen
Sources
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UnverifiedCreative Commons licenses offer a range of options from fully open (CC0) to restricting commercial use (CC BY-NC).79% similarUnverifiedWikipedia uses the CC BY-SA license, which requires all derivative content to remain open.75% similarUnverified开源许可证本质上是版权持有者对公众发出的单方面授权声明，而非需双方签署的合同73% similarUnverifiedThe MIT license is mostly used for code; CC BY requires attribution; CC BY-SA requires derivative works to use the same license; CC0 waives all rights and is the most convenient for commercial use.72% similarVerifiedIn the absence of an explicit license, code is protected by copyright by default, and others have no right to copy, modify, or distribute it.72% similar
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