Unknown_copyright|I don't know exactly
Free licenses:
MW-screenshot|MediaWiki screenshot
PD|PD: public domain
CC0| CC0 :
CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
]
CC BY-SA|CC BY-SA 4.0 :
Creative Commons Attribution ShareAlike 4.0
GPL|GPL :
GNU General Public License
GNU AGPL : |
GNU Affero General Public License
LGPL|LGPL:
GNU Lesser General Public License
GFDL|FDL :
GNU Free Documentation License
Non-free license (exception):
CopyrightByWikimedia|Wikimedia images