Sources & credits

Orbis is a personal, non-commercial map built only from free, publicly published open data. No data is invented; if a source is down, its layer shows as unavailable.

Flights (global): The OpenSky Network anonymous REST API. Refreshed about every 15 minutes to stay within anonymous rate limits. Matthias Schäfer et al., "Bringing Up OpenSky", IPSN 2014.
Flights (live, zoomed-in area): adsb.lol, data under the ODbL.
Ships (Baltic Sea): Fintraffic / digitraffic.fi, licensed CC BY 4.0.
Traffic cameras, London: Powered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016 and Geomni UK Map data © and database rights 2019.
Traffic cameras, Singapore: Land Transport Authority via data.gov.sg, Singapore Open Data Licence.
Irish weather buoys: Marine Institute Irish Weather Buoy Network via ERDDAP, CC BY 4.0.
Irish river & lake levels: Office of Public Works, waterlevel.ie, CC BY 4.0.
Earthquakes: U.S. Geological Survey GeoJSON feed (public domain).
Wildfires, storms, volcanoes: NASA EONET.
Weather radar: RainViewer.
Map tiles: OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors. Rendering: MapLibre GL JS (BSD).
Place search: Nominatim / © OpenStreetMap contributors.

Coming soon

Ships around Ireland, the UK and worldwide: free AIS feeds that cover these waters (aisstream.io, AISHub) need an account or API key.
Irish traffic cameras: TII, Dublin City Council (which publishes camera locations only, no images) and TrafficwatchNI do not publish an open camera-image feed.