For now there will be mostly links to guides related to Learning Japanese from zero. This wiki may be expended with guides as needed.

The first thing that any Japanese learners should do is learn Hiragana.

LEARN HIRAGANA: THE ULTIMATE GUIDE https://www.tofugu.com/japanese/learn-hiragana/ written by tofugu Next is Katakana: Written Guide (I used this): Tofugu: https://www.tofugu.com/japanese/learn-katakana

Kanji and Vocabulary: Online: Wanikani: https://wanikani.com/ (I use this/Not Free) It's about 10$ a month but if you use code “OTTERCLUB” you can get 50% off for a month on monthly or yearly subscription (but not lifetime)

Offline: Anki: https://apps.ankiweb.net/ https://www.reddit.com/r/LearnJapanese/comments/3lhb36/recommended_japanese_anki_deck/

Grammar guides and textbook Online: This guide has a lot of activities for beginner Japanese learners: https://www.erin.jpf.go.jp/en/ Tae Kim's Guide to Learning Japanese: http://www.guidetojapanese.org/learn/ Bunpro https://bunpro.jp/summary (Not free)

Youtube Videos: Misa from Japanese Ammo: https://www.youtube.com/channel/UCBSyd8tXJoEJKIXfrwkPdbA

Textbook: GENKI: An Integrated Course in Elementary Japanese I [Second Edition] https://www.amazon.co.jp/GENKI-Integrated-Course-Elementary-Japanese/dp/4789014401/ref=sr_1_1?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&keywords=genki+1&qid=1557673545&s=gateway&sr=8-1

Phonetics https://youtu.be/jakXVEUTT48

Kanji reading and common Japanese names reading: https://kanji.reader.bz/

Writing in Japanese on any device Tofugu guide: https://www.tofugu.com/japanese/how-to-type-in-japanese/

Japanese - English Dictionary Jisho: https://jisho.org/ Japanese analysis tool: http://nihongo.monash.edu/cgi-bin/wwwjdic?9T