MediaWiki:Licenses

• Unknown_copyright|I don't know exactly
• Free licenses:
  • MW-screenshot|MediaWiki screenshot
  • PD|PD: public domain
  • CC-by-3.0|Creative Commons Attribution 3.0
  • CC-by-sa-4.0|Creative Commons Attribution Share Alike 4.0 International
  • CC-by-sa-2.5|Creative Commons Attribution ShareAlike 2.5
  • GFDL|GFDL: GNU Free Documentation License
  • GPL|GPL: GNU General Public License
  • LGPL|LGPL: GNU Lesser General Public License
  • Unsplash|Unsplash license (https://unsplash.com/license)
  • Pixabay|Pixabay license (https://pixabay.com/de/service/license/)
• Non-free license (exception):
  • CopyrightByWikimedia|Wikimedia images
  • registered trademark