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OpenStreetMap (OSM) is a free, open geographic database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveys, trace from aerial imagery and also import from other freely licensed geodata sources.

OpenStreetMap is built by a community of mappers that contribute and maintain data about roads, trails, cafés, railway stations, and much more, all over the world. Local Knowledge. OpenStreetMap emphasizes local knowledge. Contributors use aerial imagery, GPS devices, and low-tech field maps to verify that OSM is accurate and up to date.

OpenStreetMap (OSM) is an open collaborative project to create a free editable map of the world. Volunteers gather location data using GPS, local knowledge, and other free sources of information such as free satellite imagery, and upload it.

Getting Help. OpenStreetMap has several resources for learning about the project, asking and answering questions, and collaboratively discussing and documenting mapping topics.

OpenStreetMap is a free, editable map of the whole world made by people like you. It was started in 2004 in the UK, out of frustration with the lack of availability of good map data that was free to use. OpenStreetMap includes data about roads, buildings, addresses, shops and businesses, points of interest, railways, trails, transit, land use ...

OpenStreetMap Welcome Mat. Welcome Mat for OpenStreetMap community and Foundation. OpenStreetMap is the free and editable map of the world, created and maintained by a huge international community. Anybody can create an account and start editing on OpenStreetMap.org within minutes.

Unlike other maps, OpenStreetMap is completely created by people like you, and it's free for anyone to fix, update, download and use. Sign up to get started contributing. We'll send an email to confirm your account.

Downloading and using OSM data. There are many ways to use OpenStreetMap data. It is possible to download raw data for a certain area, entire countries or regions, or certain features such as roads or buildings. There are also many ways to use use existing sets or of OpenStreetMap data, such as map images, routing software and more.