Open Topo Data is an open alternative to the Google Maps Elevation API. We have a free public API for multiple high-resolution DEM elevation datasets.

The best open source alternative to Google Maps is OpenStreetMap. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Maps and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Google Maps are OsmAnd, Organic Maps, CoMaps and Cartes.
Open Topo Data is an open alternative to the Google Maps Elevation API. We have a free public API for multiple high-resolution DEM elevation datasets.

Map3 is a decentralised map network that is impartial, secure and extremely robust. It is free from control, free to participate, free base map. It is built to be governed by the Map3 community where individuals and organisations can host Map3 nodes.

Pre-configured VM servers: map servers, driving directions, geocoding and reverse-geocoding. Ready for integration and deployment.



Modest Maps is a small, extensible, and free library for designers and developers who want to use interactive maps in their own projects. It provides a core set of features in a tight, clean package with plenty of hooks for additional functionality.

Mapping-Frontend to find and add sustainable Organisations (Initiatives, Companies) and Events on Kartevonmorgen.org / MapofTomorrow.org.



