Explore detailed maps from OpenStreetMap with offline capabilities. Record tracks, add notes, and capture photos or videos directly on the map. This open-source application offers robust data management and backup features.






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Looking for something like Open Sea OpenSeaMap Browser? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.






Explore detailed maps from OpenStreetMap with offline capabilities. Record tracks, add notes, and capture photos or videos directly on the map. This open-source application offers robust data management and backup features.






This app provides a free, worldwide nautical chart with detailed sea information, including lights, weather data, and harbor details. It offers chartplotting, waypoint management, and offline map caching for navigation. Users can mark locations, enter coordinates, and adjust chart zoom for optimal viewing.






This app provides digital nautical charts and navigation tools for safe boating. It offers offline chart downloads, real-time AIS tracking, and community-shared points of interest. Plan and share your routes with ease.


This app provides onboard navigation for various watercraft. It displays your GPS position, speed, and course, and allows you to download nautical charts with depth information and navigational aids. Set waypoints and sail to your destination with guidance on course and distance.


Explore detailed nautical, lake, and park maps with live vessel tracking. Offers offline map access, route planning, and weather forecasts for safe and informed navigation on water and trails.


This marine navigation app offers comprehensive charting capabilities, allowing users to load various standard chart formats and download NOAA charts. It includes essential navigation tools like waypoints, routes, and an anchor alarm, along with weather overlays and NMEA/AIS integration.


This app offers offline GPS charting for marine use, allowing users to own their maps permanently. It provides advanced navigation tools, custom map creation from any image, and respects user privacy by not tracking or selling data.


Access detailed, open-source topographic maps for all your outdoor adventures. Plan hikes, discover trails, and navigate with confidence using community-driven data from OpenStreetMap.


Explore detailed maps of the world, including transport networks, hiking trails, and topography. This app leverages OpenStreetMap and other specialized map layers for comprehensive navigation and outdoor adventure planning. Enjoy offline caching for uninterrupted exploration.


This app provides advanced marine navigation with 3D charts, automatic routing, and safety alerts. It offers features like fleet management, weather forecasts, and docking assistance for safe and efficient seafaring.