About OpenStreetMap
OpenStreetMap is a free, editable map of the whole world that is being built by volunteers largely from scratch and released with an open-content license.
How many people use OpenStreetMap
GitHub · npm- #2
Mapbox GL JS12k
- #3
MapLibre GL JS12k
- #4
Maptalks4.5k - #5
OpenStreetMap2.8k - #6
Mapbox.js1.9k
- #7
TerriaJS1.4k
- #8
Ushahidi725
#5 of 9 Maps we have counts for (of 22) · bars are GitHub stars across these neighbours; the category leader is Leaflet at 46k · as of September 7, 2026
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#5 of 9 Maps
#4 of 9 Maps
Audit any site that runs OpenStreetMap.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
How we audit OpenStreetMap
We measure the detected version against OpenStreetMap's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksMore technologies in Maps
View all →Technology definitions from a community-maintained catalogue, licensed GPL-3.0. Attribution and source.