BSR Straßenreinigung Berlin
Berlin’s official street-cleaning classes, the Reinigungsklassen, on an interactive MapLibre GL map of the whole city. In German and English, with address search and a filter for each class.
Projects
A Moment of Light
Shows one short poem at a time, picked from a small collection that lives in the page.
Syntax-Aware Diff Tool
One self-contained page around the Monaco diff editor. Side-by-side or inline view, drag-and-drop files, and live stats on what was added, removed and changed.
JSON Query Tool (JSONata)
Paste some JSON, browse it as an expandable tree, and query it with JSONata. Results update as you type, and there’s autocomplete.
Geometric Wall Designer
Generates wall patterns you can actually paint with masking tape: straight lines only and no more than three colors. Exports to PNG.
Traffic
The 40 classic Rush Hour-style puzzles. Slide the other vehicles out of the way to get the red car out. Has a move counter and a timer, and installs as an app for offline play.
CCAR-F Study Guide
25 markdown documents compiled into one HTML file you can read offline, with collapsible navigation and light and dark themes. No runtime dependencies.