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OpenSeaMap on new websites

Open source nautical chart project providing sea marks, harbours and maritime map tiles built on OpenStreetMap data.

Sites using OpenSeaMap
32
since Jul 2026
Last 30 days
0.0%
of new sites, to Oct 18
no change on the 30 days before
Last 7 days
0.0%
of new sites, 7-day average
no change on the week before
Rank in Maps
#51
of 237 tools, all time
First seen Jul 10, 2026
Last seen Oct 19, 2026
Website openseamap.org

What we found

  1. OpenSeaMap appeared on 10 new sites in the last 30 days.[1]

Share of new sites using OpenSeaMap

0.0000% 0.0005% 0.0010% 0.0015% 19 Sep Oct

The line is the 7-day average share of new sites that use OpenSeaMap, since 19 September. It starts at our first detection.

Who uses OpenSeaMap

Domain ending 32 sites
EndingSitesShareBar
.com 12 37.5%
.app 11 34.4%
.eu 2 6.3%
.net 2 6.3%
.au 1 3.1%
.co 1 3.1%
.fr 1 3.1%
.pro 1 3.1%
.xyz 1 3.1%

Maps on new sites

# Movement Tool Share of all sites Share of category Bar
1 – Google Maps 4.1% 83.0%
2 – Leaflet 0.4% 7.6%
3 – OpenStreetMap 0.3% 5.8%
4 – Mapbox 0.1% 1.4%
5 ▼3 CARTO <0.1% 0.8%
…
51 ▼11 OpenSeaMap <0.1% <0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Maps tool. Among September launches it ranked #58 in Maps, down from #47 in August. All 237 in Maps

Recently launched products built on OpenSeaMap

21 of the 32 sites using OpenSeaMap are product launches we list individually. The other 11 are new business and personal sites: they count towards the figures above but are not listed here. A watch sends them to you.

Site Found Also detected
Boat Trip — plan your day at sea in a minute boattripplanner.com Oct 18 Apache ArcGIS Cloudflare DNS Google Fonts
AISfeed — boats around you aisfeed.net Oct 18 Clicky ClouDNS Leaflet nginx
潛圖 DiveMap｜潛點地圖、海況燈號、潛水日誌 divemap.app · Taiwan Oct 14 ArcGIS cdnjs Cloudflare Google Fonts
Beach Bum Weather beachbumweather.com Oct 10 ArcGIS CARTO Cloudflare Google Fonts
RegattaLens — живые трансляции парусных регат regattalens.pro · Russia Sep 27 React ArcGIS Caddy CARTO
Naviger Route Planner naviger.app Sep 27 Caddy Leaflet Lucide Icons Namecheap DNS
Polaris Fusion™ — Every operation needs a North Star polarisfusion.fr · France Sep 26 Anycast DNS MapLibre Open-Meteo OpenRailwayMap
Nethunex — Maritime Operations Platform nethunex.com Sep 3 Next.js React Vercel EMODnet Bathymetry
Pali Fieldbook — Oʻahu field guide & live conditions palifieldbook.com Aug 31 ArcGIS CARTO Cloudflare GSAP
VDR & AIS Reconstruction Software · Reconstruct the Incident · Stingray stingraynav.com Aug 30 Next.js React Vercel ArcGIS
Jura Log — a modern logbook you’ll actually keep juralog.app Aug 30 SvelteKit Capacitor Svelte CARTO
Week to Regatta - тренажёр парусного спорта weektoregatta.com Aug 28 Next.js React Google Analytics Google Tag Manager

Showing the most recent 12 of 21.

Watches, exports and the API give you all 32 sites using OpenSeaMap, from £15 a month.

Notes

  1. These figures cover websites that went live since April 2026, not the web as a whole.

How this page is made

FirstSited looks at each new website near the day it goes live and records what it was built with. We do not go back later, so these figures describe what sites launch with, not what they run today. A site counts towards OpenSeaMap when we detect OpenSeaMap on it at that look.

Every share on this page is a proportion of the new sites we were tracking at the time. Sites we found across the wider web count towards the figures, but only product launches are listed by name. How we detect technologies · How we find new sites

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.