Attributions

Active Metrics’ maps and routing are built on open data and open-source software. We’re grateful to these projects, and this page fulfills the attribution terms they require.

Map data — OpenStreetMap

Map tiles and routing data are derived from OpenStreetMap, © OpenStreetMap contributors, available under the Open Database License (ODbL). OpenStreetMap data is open and editable by anyone — learn more at openstreetmap.org.

Protomaps

Vector map tiles are built from planet-wide extracts published by Protomaps, an open-source project for self-hostable map tiles built on OpenStreetMap data.

Valhalla

Turn-by-turn routing and route generation are powered by Valhalla, an open-source routing engine, running against OpenStreetMap-derived data.

MapLibre GL

Map rendering — on the web and in the app — uses MapLibre GL, an open-source map rendering library licensed under the BSD 3-Clause License.

Apple WeatherKit

Current conditions shown in the app are provided by Apple WeatherKit.