Kanji Book - Learn Japanese online with kanji mnemonics. Study all of the jōyō kanji with the best spaced repetition system. It's easier and better than any flashcard app.
Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.
Avokado - Language learning app
VocApp.com - A clever way to expand your vocabulary will allow you to take you to a higher level of language.
Learning with Texts - Learning with Texts (LWT) is a tool for Language Learning, inspired by Stephen Krashen's principles in Second Language Acquisition, Steve Kaufmann's LingQ System and ideas (e.
The Mnemosyne Project - Mnemosyne (named for the Greek goddess of memory, Mnemosyne) is spaced repetition software...