I built Istanbul live transit map
Live Istanbul transit map is useful locally but lacks novel tech or broader appeal.

Free GTFS editor when Google's GTFS Editor and Transitland already exist.
Transit agencies, municipal planners, transportation consultants
Google's GTFS Editor · Transitland Editor · GTFS-Validator
Built with Claude Code. Hosted on CloudFlare.
Live Istanbul transit map is useful locally but lacks novel tech or broader appeal.
Edits actual PDF text streams locally instead of just overlaying new text boxes.
Pure SVG ASCII animations with typing and glitch effects look surprisingly smooth.
Accidental 2.8-billion state search tree from a 30-minute scheduling tangent.
Finally, an animated visualization of kube-scheduler filter plugins that doesn't suck.
$29/mo flat beats PagerDuty per-seat pricing, but market is crowded with Opsgenie alternatives.