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Maps & GISOpen-source GPS tracking platform
Replaces Google Maps, Life360
The 15 best Multi-User maps & gis you can self-host, ranked by community traction.
Open-source GPS tracking platform
Replaces Google Maps, Life360
Server for sharing and editing geospatial data
Replaces ArcGIS Server
Trail database where you can upload your recorded tracks or create new
Modular open-source geocoder powered by Elasticsearch
Replaces Google Geocoding API, Mapbox Geocoding
Travel tracker and trip planner
The Rails application powering openstreetmap.org
Replaces Google Maps
Minimalist POI Map tracker and Trip planner
Create and share custom maps on OpenStreetMap
Replaces Google My Maps
Personal flight tracking system
Web framework for geospatial data catalog explorers
Replaces ArcGIS Online, Esri Hub
Open-source framework for creating web map portals
Replaces ArcGIS Online, Carto
Get the timezone from geo coordinates (lat, lon)
Web mapping framework for spatial applications
Replaces ArcGIS Online
Bike Speedometer as Progressive Web App
Host OpenStreetMap vector tiles, satellite imagery, own geodata and
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Every option here is open-source and self-hostable, tagged Multi-User within the maps & gis category. Compare them on the individual app pages for setup difficulty and resource requirements.