mgrs

Libraries of geodesy functions implemented in JavaScript

A library designed to ease geographic coordinate format conversions, and determine sun/moon information in C#

QGIS tools to capture and zoom to coordinates using decimal, DMS, WKT, GeoJSON, MGRS, UTM, UPS, GEOREF, ECEF, H3, and Plus Codes notation. Provides external map support, MGRS & Plus Codes conversion and point digitizing tools.

Retired September 27, 2026. Final v1.7.0 source retained for reference; no new store downloads or purchases. Development continues in Red Grid MGRS, whose Meshtastic radio features do not replace Link phone-to-phone transport.

Geospatial data structures, tools and utilities for Dart and Flutter.

Positional is a simple Android app for displaying information about your current location.

A Python package and CLI for creating ready-to-print paper maps.

Main Page for NGA GeoPackage Efforts

🌐 An R Package to Convert 'MGRS' (Military Grid Reference System) References From/To Other Coordiante Systems

Military Grid Reference System Java Library

A javascript library for converting LL, UTM, USNG, and MGRS

QGIS Tools to capture and zoom to MGRS coordinates.

Offline-first MGRS navigation for iOS and Android: coordinates, waypoint routes, imported offline maps and optional Meshtastic radios. Free core tools with paid Pro workflows. Source available under a restricted license. Red Grid Link is retired.

Military Grid Reference System Javascript Library

Military Grid Reference System iOS Library

An MGRS grid overlay plugin for your leaflet application 😎

MGRS/UTM/UPS Coordinate Converter (partial port of NGA's geotrans)

QGIS tools to capture and zoom to coordinates using decimal, DMS, WKT, GeoJSON, MGRS, UTM, UPS, GEOREF, ECEF, H3, and Plus Codes notation. Provides external map support, MGRS & Plus Codes conversion and point digitizing tools.

Latitude and longitude conversion to UTM || Arduino IDE || Wiring

DGGS Visualization for MapLibre GL JS