S-57 ENC nautical charts reader

OpenS100 is a open-source IHO S-101 ENC Viewer.

Simple and lightweight marine navigation and routing tool.

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

Privacy Badger is a browser extension that automatically learns to block hidden trackers

NodeJS utility to fetch map tiles to MBTiles format

NodeJS utility to fetch map tiles from WTMS service to MBTiles format.

Asynchronous validation for crowdsourced bathymetry, geospatial JSON data formats.

A tool to parser for relative time expression. 🕑

🔄 Morph SF Symbols with smooth native animations in Expo (React Native) ✨ 🎨 Custom size, color & blur | ⚡ Native SwiftUI performance | 📱 iOS only

Bringing SwiftUI features to your React Native app. It's like if React Native and SwiftUI had a child.

A public database of tide harmonics

A tide prediction calculator that uses harmonic constituent data and astronomy math to provide tide predictions in go.

Lightweight operating system using Node.js as userspace

SignalK plugin for marine synoptic weather reporting to NOAA and Windy

Signalk MCP Server

A tool for converting ENC files to mbtiles

Convert raster and vector geospatial data to various formats and coordinate systems entirely in the browser.

Open Source Electronic Navigation Chart Server

S-57, BSB compatible Map Server for Web Map Viewers

A distributed multibeam processing system built using the Pangeo ecosystem

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

MapLibre GL JS - Interactive vector tile maps in the browser

Reverse-engineered interface to SonarPhone fish finders

WaterwayMap.org | River Basins from OpenStreetMap

Command line tool to generate point labels from GeoJSON polygons