Various Wikis☆
This will lead you to various Cookie☆ Wikis, but some of them are not in English.
English Cookie☆ Mediawiki
A heavily WIP (but still useful) wiki maintained by YUH_cl and members of the English Cookie☆ Discord server.English Cookie☆ Fandom Wikia
Basically empty at the moment, but hopefully will be updated in the future...?Reddit Cookie☆ and niconico encyclopedia
Mostly just useful for links to tags.Below this point are wikis that are not in English. However, you can make use of them with use of translators such as DeepL.