Show HN: Trailmaps.app – Mobile maps that match the trail

Category: infrastructure

Tags: openstreetmap, mountain-biking, static-site-generator, map, pwa

Score: 6.8/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 6)

Trailmaps.app generates offline-capable, static mountain bike trail maps from OpenStreetMap data using a Python build pipeline. It bundles basemap tiles, terrain data, and PWA support into self-hosted sites, offering features like elevation profiles, difficulty symbols, and privacy-focused client-side rendering. The project's innovative combination of static site generation with interactive map capabilities fills a niche for trail communities seeking customizable, tracker-free maps.

Target audience: backend devs, devops, data engineers

Repository: https://trailmaps.app/ · Python · MIT

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