Licensing

Here’s a clear, complete list of all current Creative Commons (CC) licenses, along with what each one allows and restricts — from most open to most restrictive:

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🟢 1. CC0 1.0 Universal (Public Domain Dedication)

Short name: CC0
Summary: The creator waives all rights, placing the work in the public domain.
You can: Copy, modify, distribute, and use it commercially — without permission or attribution.
You must: Nothing.
Best for: Open data, educational resources, or when the creator wants no restrictions at all.

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🟢 2. Attribution (CC BY)

Full name: Creative Commons Attribution 4.0 International
You can: Copy, share, remix, transform, and build upon the work, even commercially.
You must: Give appropriate credit to the creator.
Best for: Artists or creators who want maximum use and exposure, with just credit required.

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🟢 3. Attribution-ShareAlike (CC BY-SA)

You can: Copy, remix, transform, and build upon the work, even commercially.
You must:

• Give credit, and

• License your new work under the same license (ShareAlike).
  Best for: Collaborative projects (like Wikipedia) where everyone shares improvements openly.

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🟡 4. Attribution-NoDerivatives (CC BY-ND)

You can: Copy and distribute, even commercially.
You must:

• Give credit, and

• Not change or modify the work in any way.
  Best for: Photographers, writers, or artists who want sharing but no edits or remixes.

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🟡 5. Attribution-NonCommercial (CC BY-NC)

You can: Copy, share, remix, and build upon the work.
You must:

• Give credit, and

• Not use the work for commercial purposes.
  Best for: Educational, personal, or non-profit use.

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🟠 6. Attribution-NonCommercial-ShareAlike (CC BY-NC-SA)

You can: Remix, adapt, and build upon the work non-commercially.
You must:

• Give credit, and

• License new creations under the same terms (ShareAlike).
  Best for: Non-profit or educational projects that promote open collaboration.

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🔴 7. Attribution-NonCommercial-NoDerivatives (CC BY-NC-ND)

You can: Share the work as-is, non-commercially.
You must:

• Give credit,

• Not modify it, and

• Not use it commercially.
  Best for: Works you want people to share widely but not change or profit from.

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⚪ Visual Summary Table

License	Abbreviation	Commercial Use?	Derivatives Allowed?	Must Credit?	ShareAlike?
CC0	CC0	✅ Yes	✅ Yes	❌ No	❌ No
Attribution	CC BY	✅ Yes	✅ Yes	✅ Yes	❌ No
Attribution-ShareAlike	CC BY-SA	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Attribution-NoDerivatives	CC BY-ND	✅ Yes	❌ No	✅ Yes	❌ No
Attribution-NonCommercial	CC BY-NC	❌ No	✅ Yes	✅ Yes	❌ No
Attribution-NonCommercial-ShareAlike	CC BY-NC-SA	❌ No	✅ Yes	✅ Yes	✅ Yes
Attribution-NonCommercial-NoDerivatives	CC BY-NC-ND	❌ No	❌ No	✅ Yes	❌ No

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