OpenStreetMap US

ChatMap, the new tool from HOT (Humanitarian OpenStreetMap Team), transforms WhatsApp, Telegram or Signal chats into instant maps. It extracts location data and text, image or video messages—perfect for communities in disaster-prone areas. It even works offline!

Is this the first tool for mapping with instant messaging apps?

Speaker

Next up in State of the Map US

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Mapping Access to Places of Worship with OpenStreetMap

Jun 20, 2025 · Allison James

Places of worship enhance community wellbeing by providing spiritual spaces and social services, yet access varies across the U.S. Using OpenStreetMap data, we mapped locations, calculated service areas, and estimated population access...