Attributions

My First Mate is built on the work of many open-data communities, open-source projects, and service providers. We're grateful to all of them — here's who they are.

Map data & tiles

Map data © OpenStreetMap contributors and seamarks — lights, buoys, beacons, harbour marks and anchorages drawn over the map — © OpenSeaMap contributors, both available under the Open Database License (ODbL); OpenStreetMap data powers our basemap, our routing engine and, rendered by OpenSeaMap, the seamark layer, which can be switched off in the map's Filter points menu.
Basemap tiles © CARTO.
Static map imagery by the Mapbox Static Images API.
Interactive maps, geocoding, and place details (including Places photos) by Google Maps Platform.

Weather & marine data

Weather data by Open-Meteo.com, licensed under CC BY 4.0.

Bathymetry & routing data

EMODnet Bathymetry Digital Terrain Model, licensed under CC BY 4.0.
GEBCO Compilation Group (2024) — GEBCO 2024 Grid.
Our seaway routing graph is derived from OpenStreetMap data (© OpenStreetMap contributors, ODbL).

IP geolocation

IP geolocation by DB-IP (IP to Country Lite database), licensed under CC BY 4.0.

Icons & fonts

Icons served via Iconify, including Material Symbols (Apache-2.0), Material Design Icons (Apache-2.0), Heroicons (MIT), and Lucide (ISC).
Typefaces from Google Fonts, licensed under the SIL Open Font License 1.1.

Open-source libraries

The platform includes software distributed under the Apache License 2.0, including Dexie.js, web-vitals, sharp, SheetJS (xlsx), the AWS SDK for JavaScript, and google-auth-library.

We also build on many projects under MIT, BSD, and ISC licenses, including Leaflet, Svelte & SvelteKit, Turf.js, Quill, driver.js, and clipper-lib (Boost Software License), as well as heic-to (LGPL-3.0). Our thanks go to the entire open-source ecosystem.

Services

My First Mate is powered by Amazon Web Services, OpenAI, Google Gemini, Anthropic Claude (via AWS Bedrock), Resend, Customer.io, and Shopify.