Conformant Licenses

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This section of the site lists licenses that are conformant with the principles laid out in the Open Definition.

Conformant Licenses

The following licenses are conformant with the principles set forth in the Open Definition.

  • Domain = Domain of application, i.e. what type of material this license should/can be applied to. Note if you are looking for an open license for software, please see Open Source Definition conformant licenses.
  • BY = requires attribution
  • SA = require share-alike
License Domain By SA Comments
Creative Commons CCZero (CC0) Content, Data N N Dedicate to the Public Domain (all rights waived)
Open Data Commons Public Domain Dedication and Licence (PDDL) Data N N Dedicate to the Public Domain (all rights waived)
Creative Commons Attribution 4.0 (CC-BY-4.0) Content, Data Y N
Creative Commons Attribution (CC-BY) Content Y N All versions 1.0-3.0, including jurisdiction “ports”
Open Data Commons Attribution License (ODC-BY) Data Y N Attribution for data(bases)
Creative Commons Attribution Share-Alike 4.0 (CC-BY-SA-4.0) Content, Data Y Y
Creative Commons Attribution Share-Alike (CC-BY-SA) Content Y Y All versions 2.0-3.0, including jurisdiction “ports”; version 1.0 is little used and not recommended because it is incompatible with future versions
Open Data Commons Open Database License (ODbL) Data Y Y Attribution-ShareAlike for data(bases)
Free Art License (FAL) Content Y Y

Conformant Non-reusable Licenses

Open licenses only for direct use by a particular entity, eg a government (it is unlikely the Advisory Council would consider non-reusable licenses from smaller entities).

License Domain By SA Comments
UK Open Government Licence 2.0 (OGL-UK-2.0) Content, Data Y N For use by UK government licensors; re-uses of OGL-UK-2.0 material may be released under CC-BY or ODC-BY. Note version 1.0 is not approved as conformant
Open Government Licence – Canada 2.0 (OGL-Canada-2.0) Content, Data Y N For use by Canada government licensors. Note version 1.0 is not approved as conformant

Conformant but Little Used, Discontinued or Deprecated Licenses

License Domain By SA Comments
GNU Free Documentation License (GNU FDL) Content Y Y Only conformant subject to certain provisos
MirOS License Code, Content Y N Little used
Talis Community License Data ? ? Deprecated in favour of ODC licenses
Against DRM Content Y Y Little used
Design Science License Data Y Y Little used
EFF Open Audio License Content Y Y Deprecated in favor of CC-BY-SA

Non-Conformant Licenses

The linked page lists some non-conformant licenses — usually those that though supporting some of the definition’s principles do not support all of them.