BetaMy Study Know-hows — a platform about how to study itself: evidence-based study methods, elementary Korean/math/science/social studies, English (PTE) and German (A1–C1) tracks with speech trainers, and coding.
BetaA picture-book reader with narration, built from a pipeline that turns pptx/ppt/pdf/image sources into a browsable book view. Made for my own kids' early reading, and in daily use.