Learn Japanese For Free
https://japanese-online.com/
Japanese Core 100 Word List
https://www.japanesepod101.com/japanese-word-lists/?coreX=100
Kanji Koohii! is a website and community dedicated to help you complete the kanji learning method called Remembering the Kanji.
https://kanji.koohii.com/learnmore
KanjiCan contains over 2000 whimsical, easy-to-remember mnemonics to help you remember the kanji.
http://www.kanjisoft.com/
Free learning materials in exchange for email address
https://www.mlcjapanese.co.jp/