What are some vocabulary everyone should know that isn't taught here in WK?

Anki:
https://community.wanikani.com/t/So-Much-Vocab/12050
The Ultimate Additional Japanese Resources List!

I also exported things to Google Spreadsheet, here. Core 10k non-WK sort by frequency [Spreadsheet]

There are also Usually-in-kana and Katakana words. For Kanji-related words, there is Core 10k breakdown Anki deck.