MediaWiki:Licenses

• Unknown_copyright|I don't know exactly
• Own work:
  • self|GPL|Own work, GNU General Public License v3.0
  • self|cc-by-sa-4.0|Own work, Creative Commons Attribution-Share Alike International 4.0
  • self|cc-by-sa-4.0|GPL|Own work, CC-BY-SA-4.0 and GNU GPL.
• Free licenses:
  • PD|PD: public domain
  • cc-by-sa-3.0|cc-by-sa-4.0|Creative Commons Attribution ShareAlike 3.0 or International 4.0
  • GFDL|GFDL: GNU Free Documentation License
  • GPL|GPL: GNU General Public License
• Non-free license / fair use:
  • Non-free logo|Logo
  • Non-free promotional|Promotional material
  • Screenshots:
    • Non-free software screenshot|Software screenshot
    • Non-free web screenshot|Website layout screenshot