| 1 | name | code |
|---|
| 2 | Creative Commons CC Zero | CC0 |
| 3 | Open Data Commons Public Domain Dedication and Licence | PDDL |
| 4 | Creative Commons Attribution 4.0 | CC-BY-4.0 |
| 5 | Open Data Commons Attribution License | ODC-BY |
| 6 | Creative Commons Attribution Share-Alike 4.0 | CC-BY-SA-4.0 |
| 7 | Open Data Commons Open Database License | ODBL |