QField
Thunderforest - Thoughtfully tailored maps for web & app developers
Federal Aviation Administration: NOTAM Search
Garmin Pilot
AIRPLANES.LIVE - independent unfiltered ADS-B and MLAT aircraft tracking. Learn about ADSB aircraft tracking and join the community
Source-code: https://github.com/d4rken-org/airplanes-live-app
Mapa Balizas V16 España
DGT - Mapa Etraffic
Nomadtable
Light pollution map
Maps
Amapint.com
Wanderlog travel planner: free vacation planner and itinerary app
Flighty — Get delay alerts faster than the airlines
mapshaper
maptiler/tileserver-gl: Vector and raster maps with GL styles. Server side rendering by MapLibre GL Native. Map tile server for MapLibre GL JS, Android, iOS, Leaflet, OpenLayers, GIS via WMTS, etc.
mapbox/tippecanoe: Build vector tilesets from large collections of GeoJSON features.
Maputnik
NASAWorldWind/WebWorldWind: The NASA WorldWind Javascript SDK (WebWW) includes the library and examples for creating geo-browser web applications and for embedding a 3D globe in HTML5 web pages.
PORTUS (Puertos del Estado)
Acrylic WI-FI - Diseño, site survey, heatmaps y análisis
MeshMap - Meshtastic Node Map
GeoServer
MapServer
proj4js/proj4js: JavaScript library to transform coordinates from one coordinate system to another, including datum transformations
OpenOrienteering/mapper: OpenOrienteering Mapper is a software for creating maps for the orienteering sport