GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.

ArcGIS Maritime server sample Custom Symbology configuration to display ENC (Electronic Navigational Chart) data with INT1 chart symbols.

天津大学电子海图控件/S-57 Electronic Chart Control developed by Tianjin University

Tools to produce vector tiles from Electronic Navigational Charts

Example applications demonstrating usage of the Vector Charts API using Mapbox GL JS, Leaflet, OpenLayers, and other map renderers.

TypeScript parser for S-57 and S-101 marine nautical charts with S-52 symbology rendering

🛥️🔦 An index of maritime lights from the US DoD

⚓ Marine chart plotter in Go — bakes NOAA S-57 or S-101 ENCs into S-101-portrayed vector tiles and serves them offline from your laptop or a Pi on the boat.

⚓ OpenCPN plugin to render charts using tile57.

Nautical OWS

⚓ A high-performance, low-memory S-57/S-101 chart engine: vector tiles, S-101 styles, PNG, PDF, and C API.