Licencing - Copyright Guide - Singapore Institute Of Technology

Creative Commons (CC) is the most often used of the free licences. According to Copyrightalliance.org a Creative Commons license is issued by the copyright owner to allow anyone anywhere to use a work in certain specified ways without having to ask for permission.

There are four components to the licences:

  • BY - attribution required
  • NC - no commercial use
  • ND - no derivative works
  • SA - Share Alike - the license must be the same on any derivative works.

The followings are the types of CC Licences:

Licence

Commercial use permitted

Modifications permitted

Attribution required

Remark

CC0 (Public Domain Dedication)

Yes

Yes

No

Recommended for Works, other than software

CC BY 4.0

Yes

Yes

Yes

CC BY-SA 4.0 (Attribution-ShareAlike)

Yes

Share-alike

Yes

CC BY-ND 4.0 (Attribution-NoDerivatives)

Yes

No

Yes

CC BY-NC 4.0 (Attribution-NonCommercial)

No

Yes

Yes

CC BY-NC-SA 4.0 (Attribution-NonCommercial-ShareAlike)

No

Share-alike

Yes

CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives)

No

No

Yes

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