Creative Commons Attribution 4.0 International (CC BY 4.0)

A permissive license that allows sharing, adapting, and using the work commercially, as long as appropriate credit is given.

Key Terms
Understanding the main components of this license

Attribution

Appropriate credit must be given to the original author or licensor.

Adaptation

This license allows adaptation and derivative works.

Commercial Use

The work and derivatives may be used commercially.

No Additional Restrictions

No legal terms or technological measures that legally restrict others from doing anything the license permits may be applied.

Limitations
Important limitations and restrictions to note
  • Attribution Required
  • No Additional Restrictions
Compatible With
Other licenses that are compatible with this one
Other Creative Commons Licenses
GPL-Compatible Licenses
Frequently Asked Questions
Common questions about this license

What is the CC BY 4.0 license?

The CC BY 4.0 license allows sharing and adapting the work for any purpose, even commercially, as long as appropriate credit is given to the original author.

Is CC BY 4.0 permissive?

Yes, CC BY 4.0 is a permissive license that allows broad reuse and modification of the work, provided attribution is given.

What is CC BY licence?

CC BY is a Creative Commons license that requires attribution to the original creator as the only condition for reuse and adaptation.

What is a CC BY 2.0 license?

CC BY 2.0 is an earlier version of the Creative Commons Attribution license, which also allows reuse with attribution but may lack some of the refinements introduced in CC BY 4.0, such as global applicability and updated legal language.

SPDX IdentifierCC-BY-4.0
OSI ApprovedNo
Copyleftnone
LinkingPermitted