olemus
loomesaadus, mida teised võivad vabalt kopeerida või muuta,
eelkõige litsentsi alusel
= any kind of creative work including articles, pictures, audio, and video that is published in a format that explicitly allows the copying of the information; usually refers to research or educational material that can be distributed and re-used freely

ülevaateid
http://www.opencontent.org/definition/

https://edutechwiki.unige.ch/en/Open_content

https://en.wikipedia.org/wiki/Free_content

https://en.wikipedia.org/wiki/Open_access

https://meta.wikimedia.org/wiki/Open_Content_-_A_Practical_Guide_to_Using_Creative_Commons_Licences/Guide

https://en.wikipedia.org/wiki/List_of_free-content_licences

vt ka
- piiratud autoriõigusega
- vabad andmed
- vaba vorming