Unverified50% confidenceFactExact time
The BSD 3-Clause license allows free use, copying, modification, and redistribution of code, with the sole restrictions being that the original copyright notice must be retained and the original project name may not be used for endorsement or promotion, and derivative works are not required to be open-sourced
1
Sources
50%
Confidence
Long-term
Relevance
9/27/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedIn the absence of an explicit license, code is protected by copyright by default, and others have no right to copy, modify, or distribute it.75% similarVerifiedThe MIT license allows anyone to freely use, copy, modify, merge, publish, and distribute software, including for commercial purposes, with the only requirement being retention of the copyright notice70% similarUnverifiedThe MIT License permits closed-source commercial use, with the only requirement being that copyright and license notices be included in all copies; unlike the GPL license, it has no copyleft effect.68% 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.67% similarUnverifiedLicenses with additional commercial restrictions are legally referred to as source-available licenses or Business Source Licenses (BSL); once revenue restrictions or competitive restriction clauses are included, they no longer qualify as open source under OSI standards.67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/954618API
curl https://kongchang.com/api/v1/knowledge/claims/954618MCP
get_claim(id=954618)