OSRM is a high-performance routing engine for OpenStreetMap data, providing an HTTP API for routing, map matching, distance tables, and more.

8k stars4k forksBSD-2-Clauselast commit Actively maintained
Mapbox is a cloud mapping and location platform offering APIs and SDKs for customizable maps, vector tiles, geocoding and place search, routing and turn-by-turn navigation, traffic-aware travel times, and hosted geospatial data for web, mobile, automotive, and AR applications.
OSRM is a high-performance routing engine for OpenStreetMap data, providing an HTTP API for routing, map matching, distance tables, and more.

8k stars4k forksBSD-2-Clauselast commit Actively maintained
GraphHopper is an open source routing engine for OpenStreetMap, providing fast route calculation, turn-by-turn instructions, isochrones, and map matching via Java or HTTP APIs.
6.6k stars2k forksApache-2.0last commit Actively maintained
Nominatim provides geocoding (name/address → coordinates) and reverse geocoding (coordinates → address) powered by OpenStreetMap, with import tooling and a public API.

4.4k stars855 forksGPL-3.0last commit Actively maintained
A high-performance, URL-based image transformation service written in Go, enabling on-the-fly resizing, format changes, and CDN-friendly delivery.

266 stars13 forksMITlast commit Slowing down
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 4 shipped a commit in the last six months. Licences in this list: BSD-2-Clause, Apache-2.0, GPL-3.0, MIT. In exchange you take on hosting, backups and updates yourself.
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