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.