Attributions
Loam stands on other people's work: open map data, public elevation and weather data, and open-source software. Thank you to all of them.
Data
| Source | Used for | License |
|---|---|---|
| OpenStreetMap contributors | Trails, roads, names, surface and access tags; the routing network | ODbL 1.0. © OpenStreetMap contributors. OSM-derived data Loam publishes is available under the ODbL on request. |
| CARTO basemaps | The map background | Basemap tiles © CARTO, using OpenStreetMap data |
| USGS 3D Elevation Program (3DEP) | Elevation and climb figures | Public domain (US Government work) |
| PAD-US (USGS GAP) | Public land boundaries | Public domain (US Government work) |
| OpenTrailMap and the Overpass API | Trail details drawn from OpenStreetMap | OpenStreetMap data under the ODbL |
| Photon by komoot | Place search | OpenStreetMap data under the ODbL; service by komoot |
| National Weather Service (api.weather.gov) | Forecasts | Public domain (US Government work) |
Software
| Software | Used for | License |
|---|---|---|
| GraphHopper | Route finding | Apache-2.0 |
| MapLibre GL JS | The map | BSD-3-Clause |
| Firebase (Authentication and Hosting) | Sign-in and hosting | Apache-2.0 (client library) |
| Atkinson Hyperlegible, by the Braille Institute | The app's typeface, loaded from Google Fonts (not bundled) | SIL Open Font License 1.1 |
Everything else
The full list of web and server packages Loam ships or runs on, with versions and licenses, is in third-party.txt. It is generated from the project's lock file and installed packages by scripts/gen_third_party_licenses.py.
Loam itself
Loam's own source code is licensed under the GNU Affero General Public License, version 3 or later. The complete source is at github.com/JJRPF/loam.
Questions: jjrpfister at gmail dot com.