It is available as a free download under a Creative Commons license.

He praised the decision to release the material under a Creative Commons license.

The units, made available to the public through a Creative Commons license, are free to use, access and study.

The game is available under a Creative Commons license.

The magazine is distributed free under a Creative Commons license.

It is also available for free online, under a Creative Commons license.

All of its content is made available under a Creative Commons license.

The book is made available under a Creative Commons license.

The artistic work is available under a Creative Commons license.

The information of the atlas is published under a Creative Commons license.