Non-free license

[TechnologyClassroom]

Non-commercial (NC) clauses are non-free as they are not free software according to the FSF, open source according to the OSI, or free culture according to Freedom Defined. I would recommend using CC-BY-SA-4.0, CC-BY-4.0, or CC-0-1.0 instead which are free culture Creative Commons licenses.

[chengxuxin]

Thanks for your suggestion. We will look into the correct licenses if the current one is not appropriate.