Language Learning Library – You’ll find grammar, common phrases, common nouns, numbers, time, alphabet, dictionaries and culture information for Spanish, French, German, Italian, Japanese, Chinese, Russian & Portuguese.
Japanese
Byki – Downloadable software to learn over 70 languages. Flashcard-type learning with audio. Both Mac and Windows versions.
Free Online Language Courses – Links to free online language courses for dozens of languages.
Livemocha – Self-paced language lessons with people from around the world.
Mango Languages - Learn languages through real native conversations.