OpenSeaMap - The free nautical chart alternatives
6 tools in the catalogue cover the same ground as OpenSeaMap - The free nautical chart and can replace it depending on the need. Each one is reachable, re-checked daily, and listed with its pricing.
- Ship AISfreeUK-centered AIS ship tracker with live map views, movement details, and vessel identification data.
- Vessel FinderfreemiumGlobal AIS vessel tracking service for ship positions, voyage progress, and historical movement review.
- Vessel TrackerpaidCommercial maritime tracking platform combining AIS and satellite feeds for global vessel movement intelligence.
- Global Fishing WatchfreeNonprofit maritime transparency platform that maps global fishing activity from AIS/VMS-derived signals.
- MyShipTrackingfreemiumLive and historical AIS vessel positions, port calls and voyage records. A free complement to MarineTraffic with different coverage gaps.
- EquasisfreePublic database of merchant ships run by an intergovernmental body: owner, manager, flag, class and inspection history. The reference for piercing a vessel's ownership chain.
OpenSeaMap - The free nautical chart
Transportation
Also written Open Sea Map - The free nautical chart, OpenSeaMap The free nautical chart
Open nautical chart map built on collaborative maritime data for ports, aids to navigation, and coastal context.
RECOMMENDED USE
Nautical geolocation and maritime infrastructure mapping
Information
Video tutorials
Learn to use OpenSeaMap - The free nautical chart
Suggested workflow
Chain these tools in order for a complete investigation
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World Aeronautical Database
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OpenAIP World Aeronautical Database
TransportationOpen, community-maintained aeronautical dataset for airfields, airspace, navaids, and runway metadata.
OpenRailwayMap
TransportationOpenStreetMap-based global railway map visualizing rail lines, infrastructure characteristics, and operations context.
Global Fishing Watch
TransportationNonprofit maritime transparency platform that maps global fishing activity from AIS/VMS-derived signals.
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