Midnight Sky
Interactive 3D celestial sphere showing all 88 constellations, zodiac positions, and visible sky based on date and latitude.
Small, purposeful tools built for the web.
Mostly entirely vibe-coded experiments, self-hosted where possible, always mobile-friendly. Everything below is a single static HTML file.
Precession of the Equinoxes
Interactive 3D and 2D visualization of the 26,000-year axial precession cycle and the astrological ages.
RSVP Reader
Rapid Serial Visual Presentation reader that displays text one word at a time with adjustable speed and optimal recognition point highlighting.
One-Minute ADHD Test
Interactive ASRS-5 screener that walks you through six research-backed questions with instant scoring and guidance.
City Comparison
Compare cities side-by-side with detailed metrics, data visualizations, and insights to help inform your next move.
Compound Interest Calculator
Visualize the power of compound interest over time with interactive charts and detailed yearly breakdowns.
AltAlpha
Compare and explore alternative keyboard layouts beyond QWERTY. Interactive rankings with ergonomic metrics and community resources.