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Languages
JLPT N5 Smasher
Live1,134 core words and 103 kanji, drilled the efficient way.
Open →English A1 Smasher
SoonReal foundations for true beginners.
Español A1 Smasher
SoonYour first steps in Spanish, structured right.
Artificial intelligence
Understanding AI
SoonWhat LLMs actually are and how they think.
AI Governance
SoonThe rules and risks shaping how AI gets used.
Music
Complete Music Theory
SoonHarmony, rhythm, and notation, from the ground up.
Songwriting 101
SoonStructure, melody, and lyrics — how songs actually come together.