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OpenStreetMap
is the largest community-created map of the world.
OpenStreetMap is free to use, but not free to run.

Its stability, quality, and independence depend on donations from people like you.

Make a donation.
OpenStreetMap is the ground truth of the map world.

It’s one of the largest, most successful open projects in the world, and the leading provider of open map data.

Touchmapper tactile map
It powers a diverse set of programmes and uses, all over the world.

MTA bus in NYC
Its data provides billions of euros of value to companies and governments.


Its mappers help millions of people through hundreds of humanitarian use cases.

The OpenStreetMap Foundation exists to support free and open mapping.

Join the OpenStreetMap Foundation.
Our members are vital to our project, and we welcome all who support our goals to join us.
Come build the map with us!

Why give? Why join?
Keep OpenStreetMap’s services running.

Hundreds of thousands of people edit OSM or use its data for free. The OSM foundation provides for the servers and software costs and one employed site reliability engineer, but the size and scale of the project have outpaced current funding. Administering the day-to-day operations of a globally crowdsourced map, is a huge undertaking. Your support will ensure the security and stability of the project and its data.

Support our volunteers.

OSM’s volunteer Working Groups keep the map legally compliant and safe from vandalism, resolve licensing issues, organise conferences, keep hardware and software up to date, and develop new tools. Your support will ensure they have the right support through our administrative assistant and our bookkeeper.

Create better, free software.

OSM’s open collaborative model supports open-source development. Your gift helps OSM software developers keep pace, and even lead innovation through the creation of tools for map usage, processing and creation, such as the iD editor.

Show your support for OpenSt