The following are some useful and free Japanese resources available online:
Follow Tofugu's plan to teach yourself Japanese: https://www.tofugu.com/learn-japanese/
Or take Minato's free courses in Japanese: https://minato-jf.jp/
Learn Hiragana and Katakana:
Downloads are available on the Japanese Class Resources page, and the MEGA shared files
https://epdf.pub/remembering-the-kana-the-hiragana.html (this is by the same author as Remembering the Kanji)
https://epdf.pub/learning-japanese-hiragana-and-katakana-workbook-and-practice-sheets-edition-2.html
Work on Basic Pronunciation:
Learn to Type in Japanese:
Learn About Kanji:
Memorize Kanji:
Download the Remembering the Kanji series on the MEGA shared files
https://www.tofugu.com/japanese/kanji-radicals-mnemonic-method/
https://www.wanikani.com/ (you can try WaniKani for free but after some time it is a paid service)
Memorize Vocabulary:
https://smilenihongo.com/how-to-memorize-japanese-vocabulary
http://www.guidetojapanese.org/blog/2005/11/05/learning-vocab-tips/
Learn Japanese Grammar:
https://epdf.pub/a-dictionary-of-basic-japanese-grammar.html
https://epdf.pub/a-dictionary-of-intermediate-japanese-grammar.html
https://epdf.pub/a-dictionary-of-advanced-japanese-grammar.html
Answer Your Own Japanese Questions:
More Reference Books and Resources:
https://amzn.to/2Uz3mgW (Kindle edition is free for Prime members, can read for free on the Kindle app)
See more Amazon ebooks for free using Kindle Unlimited membership here
https://teamjapanese.com/free-websites-japanese-reading-practice-every-level/
https://epdf.pub/situational-japanese-bk-1-nihongo-notes.html (Book 2 and more are on the MEGA shared files)
All Purpose Websites Dedicated to Teaching Japanese:
http://www.kotobites.com/japanese-language-resource-masterpost-2/
https://www.fluentin3months.com/japanese-learning-resources/
https://www.pinterest.com/ (search "Japanese")
YouTube Channels for Learning Japanese:
https://www.youtube.com/channel/UCBSyd8tXJoEJKIXfrwkPdbA (a personal favorite, learn from a native speaker)
Listen to Japanese Music:
Instagram Accounts for Learning Japanese:
Tumblr Accounts for Learning Japanese:
Twitter Accounts for Learning Japanese:
https://twitter.com/simplejapanese (they post a new N4/N5 story in Japanese daily)
https://twitter.com/LLJapanese (they host a free class that teaches Japanese through music, via Facebook)
Read Manga Raws Online:
Note: you can add furigana to manga (and other reading material) by using the app Nihongo, available for iPhone and iPad, or the app Furigana (Android only).
https://bilingualmanga.com/manga/yotsubato (with furigana)
Use Japanese Recipes:
https://cookpad.com/ (a website in Japanese)
https://www.justonecookbook.com/recipes/ (a website in English with Japanese vocabulary)
https://recipe.rakuten.co.jp/ (a website in Japanese)
https://oceans-nadia.com/ (a website in Japanese)
Online Dictionaries:
A comparison of several of the online dictionaries is given here.
The following are a list of apps that you can use on your smartphone or tablet to learn Japanese:
https://cotoacademy.com/japanese-language-exchange-applications-help-learning-japanese/
AnkiDroid Flashcards (Android) / AnkiMobile Flashcards (iOS)
Flashcards (by NKO) (iOS only)
Tae Kim's Guide to Learning Japanese (iOS only)
Obenkyo (Android only)
JustKana (Android only)
旅かえる (Android) (iOS) (a game that also helps you learn Japanese)
Neko Atsume: Kitty Collector (Android) (iOS) (a game that also helps you learn Japanese)
Animal Crossing: Pocket Camp (Android) (iOS) (a game, can set the language as Japanese)
Pokémon Go (Android) (iOS) (a game, can set the language as Japanese)
NHK News Reader with Furigana and Dictionary (Android only)
jreader (Android only) (a news reader)
Manabi Reader (iOS only)
Japanese Reading (Android only)
LingoDeer (Android) (iOS) (this app was once free but is now subscription-based)
Kanji Tree (Android only)
Akebi (Android only)
Kanji Recognizer (Android only)
imiwa? (iOS only)
Nihongo (iOS only) (adds furigana to imported text)
Furigana (Android only) ( web browser that adds furigana to imported text)
Furigana (Android only) (adds furigana to text)
Simple Furigana (iOS only) (adds furigana to text in Safari)
Japanese Dictionary (by Takoboto) (Android only)
Duolingo (Android) (iOS) (you can use this offline if you pay for it)
Gogatomo (iOS only) (use this app to meet people in Japan if you have Facebook)
To limit your study sessions to an optimal time period, use the Pomodoro Timer app on Android or Focus Keeper on iOS to time yourself, keeping study sessions at 25 minutes and break times at 5 minutes.
Here is some information on studying in Japan on an exchange program:
If you find that we missed an important resource in this listing, or any of the links are broken, please let the website administrator know via the Contact page.