OpenStreetMap Foundation supports free, open geographic data and maps that anyone can use, share, and help improve for personal or professional needs.
Access and share free, open geographic data
The OpenStreetMap Foundation is the nonprofit group behind OpenStreetMap, a project that makes free, open geographic data and maps available to everyone. Whether you need maps for a project, research, or just everyday use, you can access and contribute to a global repository of geospatial information.
As a not-for-profit, the foundation supports the growth and sharing of map data without controlling the project itself. You can learn about the foundation's mission, get involved with the community, or donate to help keep this valuable resource open and accessible. It's a welcoming hub for anyone interested in open mapping, from casual users to dedicated contributors.
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GeoNames offers a free global database with over 11 million place names, letting you search, browse, and download geographic data for any country.
Join a global community mapping open data to support humanitarian efforts and disaster response. Help create detailed maps for people in need worldwide.
Edit, simplify, and convert map data files right in your browser. Mapshaper makes working with geographic data easy, fast, and accessible online.
GRASS GIS is a free, open-source platform for advanced geospatial analysis, modeling, and spatial data management for mapping and scientific research.
Download regularly-updated, complete copies of the OpenStreetMap database for your mapping and data projects. Free and open geospatial data resource.
WorldClim offers downloadable maps, graphs, tables, and data on global climate patterns for research, analysis, and environmental projects worldwide.
Explore and access global earth observation data, maps, and geospatial resources for research, analysis, and decision-making in one place.
GDAL provides tools and documentation for translating and processing raster and vector geospatial data formats. Free and open source for developers.
Turf.js is a toolkit for advanced geospatial analysis in browsers and Node.js, making it easy to process and analyze geographic data with JavaScript.
Learn about Cloud Optimized GeoTIFF, a modern image format for efficient cloud-based geospatial data access and processing. Open to all users.
Access global 90m digital elevation data with the SRTM DEM database, offering improved, high-quality geospatial data for mapping and analysis needs.
Browse and download geodetic parameters, coordinate systems, and reference data for mapping, GIS, and geospatial analysis. Includes search and export tools.
Access and download open political boundary data for countries worldwide. Explore, visualize, and use geospatial datasets for your projects.
Development Seed creates geospatial tools and data solutions to help you better understand our planet and make smarter decisions about a changing world.
Access global fire emissions data and statistics to explore wildfire patterns, environmental impacts, and atmospheric changes over time.
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Access global administrative maps and geographic data for research, analysis, and mapping projects. Download detailed boundaries and use interactive maps.
The Internet Society is a global nonprofit advocating for an open, trustworthy Internet and supporting community-led efforts to bridge the digital divide.
Browse, search, and download satellite images, aerial photos, and maps from the USGS for research, mapping, and earth science projects.
Access and request satellite images, aerial photos, and cartographic data from the official U.S. Geological Survey geospatial data platform.
Explore the U.S. National Hydrography Dataset for detailed maps and data on rivers, lakes, and water networks across the country. Data in English.
Access ocean satellite data, forecasts, and analysis tools for monitoring sea conditions, altimetry, and seasonal changes. Ideal for researchers and ocean experts.
Get daily satellite imagery and earth analytics to monitor changes, make informed decisions, and gain a multidimensional view of our changing planet.
Explore and map global Wi-Fi networks with interactive maps, stats, and crowdsourced data from wireless network enthusiasts and wardrivers worldwide.
Explore decades of Earth observation data from NASA/USGS Landsat, offering access to satellite imagery and insights for land and environmental research.
Official Finnish government site for maps, land information, and property data. Access online services, research, and geospatial resources in multiple languages.
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Access a global database of major cities with detailed info like latitude, longitude, population, and administrative divisions for easy download and use.
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Find and download free maps, geospatial data, imagery, and publications in English and French for research, planning, or exploration across Canada.
Access NASA's geospatial datasets and tools for Earth science research, with a unified interface for exploring, analyzing, and downloading data.
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Access high-resolution climate and weather data from Oregon State University's PRISM Group, with downloadable datasets and web services for research and analysis.
Explore, verify, and download official French address data with interactive maps, statistics, and community updates. Site available in French.
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Explore, store, and share geospatial data in the cloud with easy tools for mapping, managing, and publishing—no IT setup needed.
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GLAAD is a nonprofit advocacy group working to promote fair, accurate, and inclusive media representation for the LGBTQ community.
Urban.org is a nonprofit site offering research, data, and analysis on public policy issues to inform decisions and improve communities.