Tools I built to solve problems I had.
Most learning apps optimize for engagement metrics: streaks, points, notifications. That's backwards. Engagement and retention aren't the same thing, and optimizing for the former often undermines the latter.
A flashcard system built around spaced repetition and calm. LLM-generated Q&As from any source material, no gamification.
Most publishing platforms optimize for engagement, not reading.
A design system for long-form content. Borrows from print: serif text, generous margins, subtle textures. Warmth over minimalism.