NHK Japanese Lessons
A comprehensive, completely free audio-visual course for Japanese beginners.
Tadoku Free E-books
A massive collection of illustrated e-books available for free download, many of which come with audio. Ranging from level L0 to L5, it’s perfect for absolute beginners.
Free Yomujp Online Reading & Audiobooks
Covering levels N5 to N1, this site takes you all the way from beginner to advanced. It’s an excellent starting point for new learners.
Japanese Example Sentences (j-nihongo.com)
Provides an extensive collection of example sentences spanning JLPT levels N5 to N1. The webmaster’s YouTube channel also offers a wealth of great learning materials.