English Wiki: http://kancolle.wikia.com/wiki/Kancolle_Wiki
Recent Updates: http://kancolle.wikia.com/wiki/Recent_Updates

Must reads
FAQ: http://kancolle.wikia.com/wiki/Tutorial:_FAQ
Tutorial: http://kancolle.wikia.com/wiki/Tutorial:_How_to_Play
Guides: http://pastebin.com/jvTQfLqb

Japanese Wikis
http://www56.atwiki.jp/kancolle/
http://wikiwiki.jp/kancolle/

Others
Air Superiority Calculator: https://googledrive.com/host/0B97S3y_L0wtXbW1TaDh5WG9XTjA/index2.html
Detailed Battle Mechanics: http://wikiwiki.jp/kancolle/?%C0%EF%C6%AE%A4%CB%A4%C4%A4%A4%A4%C6
Voice Clips, Room Deco Pv, Game Sprites: http://www51.atpages.jp/kancollev/
Kancolle Viewer: https://github.com/Grabacr07/KanColleViewer
Kancolle Viewer (Translated): https://github.com/silfumus/KanColleViewer
Sanaechan Logbook: http://kancolle.sanaechan.net/
Sanaechan Logbook + Compiled Kancolle Viewer (Translated): http://sdrv.ms/1hbeYLg
Kancolle Assorted Guides: http://imgur.com/a/7HZO7/all